add remote include to glx.c
add remote include to glx.c

RobertoMalatesta/glshim,lunixbochs/glshim,seandepagnier/glshim,seandepagnier/glshim,lunixbochs/glshim,lunixbochs/glshim,seandepagnier/glshim,lunixbochs/glshim,RobertoMalatesta/glshim,RobertoMalatesta/glshim,seandepagnier/glshim,RobertoMalatesta/glshim