[gegl] buffer: don't define/set unused variables

[Nils Philippsen <nphilipp src gnome org>]

commit 9e4f5ac392050c34c23279ba5ed5628d0d7ad6f4
Author: Nils Philippsen <nils redhat com>
Date:   Wed Apr 20 15:43:23 2011 +0200

    buffer: don't define/set unused variables

 gegl/buffer/gegl-buffer.c |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)
---
diff --git a/gegl/buffer/gegl-buffer.c b/gegl/buffer/gegl-buffer.c
index 6983186..94f2cf6 100644
--- a/gegl/buffer/gegl-buffer.c
+++ b/gegl/buffer/gegl-buffer.c
@@ -464,8 +464,6 @@ gegl_buffer_constructor (GType                  type,
   GeglTileBackend *backend;
   GeglTileHandler *handler;
   GeglTileSource  *source;
-  gint             tile_width;
-  gint             tile_height;
 
   gint width;
   gint height;
@@ -611,9 +609,6 @@ gegl_buffer_constructor (GType                  type,
 
   g_assert (backend);
 
-  tile_width  = backend->priv->tile_width;
-  tile_height = backend->priv->tile_height;
-
   if (buffer->extent.width == -1 &&
       buffer->extent.height == -1) /* no specified extents,
                                       inheriting from source */