message: Fixed .proto not being accepted as schema file.
diff: @@ -292,7 +292,8 @@ int FlatCompiler::Compile(int argc, const char** argv) {
  bool is_binary = static_cast<size_t>(file_it - filenames.begin()) >=
  binary_files_from;
  - auto is_schema = flatbuffers::GetExtension(filename) == "fbs";
  + auto ext = flatbuffers::GetExtension(filename);
  + auto is_schema = ext == "fbs" || ext == "proto";
  if (is_binary) {
  parser->builder_.Clear();
  parser->builder_.PushFlatBuffer(
  