[cogl] build: removes unused variable

[Robert Bragg <rbragg src gnome org>]

commit 9a82b9d21b17533b494d9089de756674edfe4087
Author: Robert Bragg <robert linux intel com>
Date:   Wed Jan 4 19:32:41 2012 +0000

    build: removes unused variable
    
    Simply removes an unused variable to avoid a compile time warning

 cogl/cogl-renderer.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/cogl/cogl-renderer.c b/cogl/cogl-renderer.c
index 5f65383..fe4e225 100644
--- a/cogl/cogl-renderer.c
+++ b/cogl/cogl-renderer.c
@@ -200,7 +200,6 @@ cogl_renderer_check_onscreen_template (CoglRenderer *renderer,
                                        GError **error)
 {
   CoglDisplay *display;
-  const CoglWinsysVtable *winsys = _cogl_renderer_get_winsys (renderer);
 
   if (!cogl_renderer_connect (renderer, error))
     return FALSE;