Update cmake and BUILD files.

Change-Id: I17e16fdae6e4d2fb74d178fa5564a609ed58af1d

cmake/libprotobuf-lite.cmake

diff --git a/cmake/libprotobuf-lite.cmake b/cmake/libprotobuf-lite.cmake
index e2cec9d..9fafc31 100644
--- a/cmake/libprotobuf-lite.cmake
+++ b/cmake/libprotobuf-lite.cmake
@@ -18,6 +18,7 @@
   ${protobuf_source_dir}/src/google/protobuf/stubs/statusor.cc
   ${protobuf_source_dir}/src/google/protobuf/stubs/stringpiece.cc
   ${protobuf_source_dir}/src/google/protobuf/stubs/stringprintf.cc
+  ${protobuf_source_dir}/src/google/protobuf/stubs/structurally_valid.cc
   ${protobuf_source_dir}/src/google/protobuf/stubs/strutil.cc
   ${protobuf_source_dir}/src/google/protobuf/stubs/time.cc
   ${protobuf_source_dir}/src/google/protobuf/wire_format_lite.cc