[cogl] glx: make sure _cogl_winsys_get_proc_address is static

[Robert Bragg <rbragg src gnome org>]

commit 656f28de2f657ab4ca9a6c933d7fbd15671e4ea9
Author: Robert Bragg <robert linux intel com>
Date:   Wed May 25 01:47:34 2011 +0100

    glx: make sure _cogl_winsys_get_proc_address is static
    
    Make sure not to export _cogl_winsys_get_proc_address outside of
    cogl-winsys-glx.c

 cogl/winsys/cogl-winsys-glx.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/cogl/winsys/cogl-winsys-glx.c b/cogl/winsys/cogl-winsys-glx.c
index 74a3668..82008d6 100644
--- a/cogl/winsys/cogl-winsys-glx.c
+++ b/cogl/winsys/cogl-winsys-glx.c
@@ -137,7 +137,7 @@ static const CoglFeatureData winsys_feature_data[] =
 #include "cogl-winsys-glx-feature-functions.h"
   };
 
-CoglFuncPtr
+static CoglFuncPtr
 _cogl_winsys_get_proc_address (const char *name)
 {
   static GLXGetProcAddressProc get_proc_func = NULL;