Put all glslang internals (but not the external interface) into the glslang namespace.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@22882 e7fa87d3-cd2b-0410-9028-fcbf551c1848

OGLCompilersDLL/InitializeDll.h

@@ -37,11 +37,14 @@
 
 #include "osinclude.h"
 
+namespace glslang {
 
 bool InitProcess();
 bool InitThread();
 bool DetachThread();
 bool DetachProcess();
 
+} // end namespace glslang
+
 #endif // __INITIALIZEDLL_H