[gegl] gegl_buffer_set_pixel: fix inverted fish

[Michael Murà <mmure src gnome org>]

commit 1308dab1e495f04074cee0a7f77840134e0fe35e
Author: Michael Murà <batolettre gmail com>
Date:   Thu Jun 21 17:22:28 2012 +0900

    gegl_buffer_set_pixel: fix inverted fish
    
    soft_format is the real buffer format

 gegl/buffer/gegl-buffer-access.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gegl/buffer/gegl-buffer-access.c b/gegl/buffer/gegl-buffer-access.c
index d32bc43..294a70e 100644
--- a/gegl/buffer/gegl-buffer-access.c
+++ b/gegl/buffer/gegl-buffer-access.c
@@ -176,8 +176,8 @@ gegl_buffer_set_pixel (GeglBuffer *buffer,
 
         if (format != buffer->soft_format)
           {
-            fish = babl_fish ((gpointer) buffer->soft_format,
-                              (gpointer) format);
+            fish = babl_fish ((gpointer) format,
+                              (gpointer) buffer->soft_format);
           }
 
         gegl_tile_lock (tile);