updated submodules check

tools/run_tests/check_submodules.sh

@@ -44,6 +44,7 @@ cat << EOF | awk '{ print $1 }' | sort > $want_submodules
  9f897b25800d2f54f5c442ef01a60721aeca6d87 third_party/boringssl (version_for_cocoapods_1.0-67-g9f897b2)
  05b155ff59114735ec8cd089f669c4c3d8f59029 third_party/gflags (v2.1.0-45-g05b155f)
  c99458533a9b4c743ed51537e25989ea55944908 third_party/googletest (release-1.7.0)
+ 5497a1dfc91a86965383cdd1652e348345400435 third_party/nanopb (nanopb-0.3.3-10-g5497a1d)
  8fce8933649ce09c1661ff2b5b7f6eb79badd251 third_party/protobuf (v3.0.0-alpha-4-1-g8fce893)
  50893291621658f355bc5b4d450a8d06a563053d third_party/zlib (v1.2.8)
 EOF