[cogl] cogl-winsys-sdl: Fix the signature for the get_proc_address method

[Neil Roberts <nroberts src gnome org>]

commit eed4ac80cd8c3fa1859493c9bb00547038be6095
Author: Neil Roberts <neil linux intel com>
Date:   Tue Jul 31 15:03:59 2012 +0100

    cogl-winsys-sdl: Fix the signature for the get_proc_address method
    
    This function should take an extra third paramter to specify whether
    the procedure is in core or not. The parameter is not used so this
    patch just fixes an annoying warning.
    
    Reviewed-by: Robert Bragg <robert linux intel com>

 cogl/winsys/cogl-winsys-sdl.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/cogl/winsys/cogl-winsys-sdl.c b/cogl/winsys/cogl-winsys-sdl.c
index 3e87966..9d27984 100644
--- a/cogl/winsys/cogl-winsys-sdl.c
+++ b/cogl/winsys/cogl-winsys-sdl.c
@@ -53,7 +53,8 @@ typedef struct _CoglDisplaySdl
 
 static CoglFuncPtr
 _cogl_winsys_renderer_get_proc_address (CoglRenderer *renderer,
-                                        const char *name)
+                                        const char *name,
+                                        CoglBool in_core)
 {
   /* XXX: It's not totally clear whether it's safe to call this for
    * core functions. From the code it looks like the implementations