Some cpp style fixes.
diff --git a/src/google/protobuf/compiler/objectivec/objectivec_field.cc b/src/google/protobuf/compiler/objectivec/objectivec_field.cc
index 9d5fa99..eb23fee 100644
--- a/src/google/protobuf/compiler/objectivec/objectivec_field.cc
+++ b/src/google/protobuf/compiler/objectivec/objectivec_field.cc
@@ -246,7 +246,7 @@
 }
 
 void FieldGenerator::SetOneofIndexBase(int index_base) {
-  const OneofDescriptor *oneof = descriptor_->real_containing_oneof();
+  const OneofDescriptor* oneof = descriptor_->real_containing_oneof();
   if (oneof != NULL) {
     int index = oneof->index() + index_base;
     // Flip the sign to mark it as a oneof.
diff --git a/src/google/protobuf/compiler/objectivec/objectivec_file.cc b/src/google/protobuf/compiler/objectivec/objectivec_file.cc
index 417733e..be2be2c 100644
--- a/src/google/protobuf/compiler/objectivec/objectivec_file.cc
+++ b/src/google/protobuf/compiler/objectivec/objectivec_file.cc
@@ -185,22 +185,22 @@
 
 }  // namespace
 
-FileGenerator::FileGenerator(const FileDescriptor *file, const Options& options)
+FileGenerator::FileGenerator(const FileDescriptor* file, const Options& options)
     : file_(file),
       root_class_name_(FileClassName(file)),
       is_bundled_proto_(IsProtobufLibraryBundledProtoFile(file)),
       options_(options) {
   for (int i = 0; i < file_->enum_type_count(); i++) {
-    EnumGenerator *generator = new EnumGenerator(file_->enum_type(i));
+    EnumGenerator* generator = new EnumGenerator(file_->enum_type(i));
     enum_generators_.emplace_back(generator);
   }
   for (int i = 0; i < file_->message_type_count(); i++) {
-    MessageGenerator *generator =
+    MessageGenerator* generator =
         new MessageGenerator(root_class_name_, file_->message_type(i), options_);
     message_generators_.emplace_back(generator);
   }
   for (int i = 0; i < file_->extension_count(); i++) {
-    ExtensionGenerator *generator =
+    ExtensionGenerator* generator =
         new ExtensionGenerator(root_class_name_, file_->extension(i));
     extension_generators_.emplace_back(generator);
   }
@@ -208,7 +208,7 @@
 
 FileGenerator::~FileGenerator() {}
 
-void FileGenerator::GenerateHeader(io::Printer *printer) {
+void FileGenerator::GenerateHeader(io::Printer* printer) {
   std::vector<std::string> headers;
   // Generated files bundled with the library get minimal imports, everything
   // else gets the wrapper so everything is usable.
@@ -336,7 +336,7 @@
       "// @@protoc_insertion_point(global_scope)\n");
 }
 
-void FileGenerator::GenerateSource(io::Printer *printer) {
+void FileGenerator::GenerateSource(io::Printer* printer) {
   // #import the runtime support.
   std::vector<std::string> headers;
   headers.push_back("GPBProtocolBuffers_RuntimeSupport.h");
@@ -381,7 +381,7 @@
     // imported so it can get merged into the root's extensions registry.
     // See the Note by CollectMinimalFileDepsContainingExtensions before
     // changing this.
-    for (std::vector<const FileDescriptor *>::iterator iter =
+    for (std::vector<const FileDescriptor*>::iterator iter =
              deps_with_extensions.begin();
          iter != deps_with_extensions.end(); ++iter) {
       if (!IsDirectDependency(*iter, file_)) {
@@ -498,7 +498,7 @@
     } else {
       printer->Print(
           "// Merge in the imports (direct or indirect) that defined extensions.\n");
-      for (std::vector<const FileDescriptor *>::iterator iter =
+      for (std::vector<const FileDescriptor*>::iterator iter =
                deps_with_extensions.begin();
            iter != deps_with_extensions.end(); ++iter) {
         const std::string root_class_name(FileClassName((*iter)));
diff --git a/src/google/protobuf/compiler/objectivec/objectivec_helpers.h b/src/google/protobuf/compiler/objectivec/objectivec_helpers.h
index ce2d92c..dd42269 100644
--- a/src/google/protobuf/compiler/objectivec/objectivec_helpers.h
+++ b/src/google/protobuf/compiler/objectivec/objectivec_helpers.h
@@ -283,9 +283,9 @@
   ~ImportWriter();
 
   void AddFile(const FileDescriptor* file, const std::string& header_extension);
-  void Print(io::Printer *printer) const;
+  void Print(io::Printer* printer) const;
 
-  static void PrintRuntimeImports(io::Printer *printer,
+  static void PrintRuntimeImports(io::Printer* printer,
                                   const std::vector<std::string>& header_to_import,
                                   const std::string& runtime_import_prefix,
                                   bool default_cpp_symbol = false);
diff --git a/src/google/protobuf/compiler/objectivec/objectivec_message.cc b/src/google/protobuf/compiler/objectivec/objectivec_message.cc
index 917cc64..3a00113 100644
--- a/src/google/protobuf/compiler/objectivec/objectivec_message.cc
+++ b/src/google/protobuf/compiler/objectivec/objectivec_message.cc
@@ -343,7 +343,7 @@
   std::vector<char> seen_oneofs(oneof_generators_.size(), 0);
   for (int i = 0; i < descriptor_->field_count(); i++) {
     const FieldDescriptor* field = descriptor_->field(i);
-    const OneofDescriptor *oneof = field->real_containing_oneof();
+    const OneofDescriptor* oneof = field->real_containing_oneof();
     if (oneof) {
       const int oneof_index = oneof->index();
       if (!seen_oneofs[oneof_index]) {