Fix minor changes

MODULE.bazel

diff --git a/MODULE.bazel b/MODULE.bazel
new file mode 100644
index 0000000..d283a49
--- /dev/null
+++ b/MODULE.bazel
@@ -0,0 +1,26 @@
+module(
+    name = "snappy",
+    version = "1.2.2",
+    compatibility_level = 1,
+)
+
+bazel_dep(name = "rules_cc", version = "0.2.4")
+bazel_dep(name = "bazel_skylib", version = "1.8.2")
+
+bazel_dep(
+    name = "googletest",
+    version = "1.17.0.bcr.2",
+    dev_dependency = True,
+    repo_name = "com_google_googletest",
+)
+bazel_dep(
+    name = "google_benchmark",
+    version = "1.9.5",
+    dev_dependency = True,
+    repo_name = "com_google_benchmark",
+)
+
+bazel_dep(
+    name = "platforms",
+    version = "1.0.0",
+)

snappy.cc

diff --git a/snappy.cc b/snappy.cc
index 715f207..ab61792 100644
--- a/snappy.cc
+++ b/snappy.cc
@@ -1856,11 +1856,9 @@
 
 size_t Compress(Source* reader, Sink* writer, CompressionOptions options) {
   assert(options.level == 1 || options.level == 2);
-  int snappy_token = 0;
   size_t written = 0;
   size_t N = reader->Available();
   assert(N <= 0xFFFFFFFFu);
-  const size_t uncompressed_size = N;
   char ulength[Varint::kMax32];
   char* p = Varint::Encode32(ulength, N);
   writer->Append(ulength, p - ulength);