swr: [rasterizer core] CompleteDrawContext changes for gcc
swr: [rasterizer core] CompleteDrawContext changes for gcc

Add explicit inline and non-inline versions of CompleteDrawContext
to make gcc happy.

Reviewed-by: Bruce Cherniak <a5345730962d952f474b19e983398300e1cb5f29@intel.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler