message: Print out GL chunk value if it's unexpected
diff: @@ -4197,7 +4197,8 @@ bool WrappedOpenGL::ProcessChunk(ReadSerialiser &ser, GLChunk chunk)
  case GLChunk::glMaxShaderCompilerThreadsARB:
  case GLChunk::glMaxShaderCompilerThreadsKHR:
  case GLChunk::Max:
  - RDCERR("Unexpected chunk, or missing case for processing! Skipping...");
  + RDCERR("Unexpected chunk %s, or missing case for processing! Skipping...",
  + ToStr(chunk).c_str());
  ser.SkipCurrentChunk();
  return false;
  }
  