check for USE_MGL_NAMESPACE
diff --git a/src/mesa/glapi/glthread.h b/src/mesa/glapi/glthread.h
index 0958cd1..a61086d 100644
--- a/src/mesa/glapi/glthread.h
+++ b/src/mesa/glapi/glthread.h
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.1
+ * Version:  6.5.2
  *
  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  *
@@ -64,6 +64,12 @@
 #define GLTHREAD_H
 
 
+#if defined(USE_MGL_NAMESPACE)
+#define _glapi_Dispatch _mglapi_Dispatch
+#endif
+
+
+
 #if (defined(PTHREADS) || defined(SOLARIS_THREADS) ||\
      defined(WIN32_THREADS) || defined(USE_XTHREADS) || defined(BEOS_THREADS)) \
     && !defined(THREADS)