MainThreadRunner.h file contents error

I forked SDL_Test for NaCl module and tried to introduce the code for
HTTP2Mount to read files in NaCl sandbox using fopen. I am facing one weird
compilation error.

:sdltest mshaik$ make
-o plugin_32.o -c -m32 -O0 -g -pthread -std=gnu++98
-Wno-long-long -Wall -Wswitch-enum -pedantic -Werror
/Volumes/MacHD3/Softwares/SDKs/GoogleNaCl/nacl_sdk/pepper_18/toolchain/mac_x86_newlib/i686-nacl/usr/bin/sdl-config --cflags
cc1plus: warnings being treated as errors
In file included from
error: extra ?;?
make: *** [plugin_32.o] Error 1

Has managed to solve this error. Please help me to understand on this. The
sample code is at,

Mustafa Shaik