[cogl] cogl-texture-pixmap-x11: Fix the foreach_sub_texture_in_region impl

[Neil Roberts <nroberts src gnome org>]

commit 24fe7c300c8340a4f96ed826e652156c9fabcce2
Author: Neil Roberts <neil linux intel com>
Date:   Mon Dec 19 22:53:31 2011 +0000

    cogl-texture-pixmap-x11: Fix the foreach_sub_texture_in_region impl
    
    The foreach_sub_texture_in_region implementation tries to forward the
    function on to its child texture but it was mistakenly forwarding back
    on to itself so it would just recurse endlessly and crash.

 cogl/winsys/cogl-texture-pixmap-x11.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/cogl/winsys/cogl-texture-pixmap-x11.c b/cogl/winsys/cogl-texture-pixmap-x11.c
index cb4a56d..33d74ba 100644
--- a/cogl/winsys/cogl-texture-pixmap-x11.c
+++ b/cogl/winsys/cogl-texture-pixmap-x11.c
@@ -802,7 +802,7 @@ _cogl_texture_pixmap_x11_foreach_sub_texture_in_region
       data.callback = callback;
       data.user_data = user_data;
 
-      cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (tex),
+      cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (child_tex),
                                            virtual_tx_1,
                                            virtual_ty_1,
                                            virtual_tx_2,
@@ -813,7 +813,7 @@ _cogl_texture_pixmap_x11_foreach_sub_texture_in_region
                                            &data);
     }
   else
-    cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (tex),
+    cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (child_tex),
                                          virtual_tx_1,
                                          virtual_ty_1,
                                          virtual_tx_2,