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

glslang/Include/PoolAlloc.h

@@ -65,6 +65,8 @@
 #include <string.h>
 #include <vector>
 
+namespace glslang {
+
 // If we are using guard blocks, we must track each indivual
 // allocation.  If we aren't using guard blocks, these
 // never get instantiated, so won't have any impact.
@@ -316,4 +318,6 @@ protected:
     TPoolAllocator& allocator;
 };
 
+} // end namespace glslang
+
 #endif // _POOLALLOC_INCLUDED_