[gimp] libgimp: fix swapped alpha handling in indexed case

[Michael Natterer <mitch src gnome org>]

commit 2cb15f8669a8a8147c8c159e4e3da631d2d557f4
Author: Simon Budig <simon budig de>
Date:   Sat Apr 28 17:19:51 2012 +0200

    libgimp: fix swapped alpha handling in indexed case

 libgimp/gimpdrawable.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libgimp/gimpdrawable.c b/libgimp/gimpdrawable.c
index 18eeda2..f7d9f2a 100644
--- a/libgimp/gimpdrawable.c
+++ b/libgimp/gimpdrawable.c
@@ -762,9 +762,9 @@ gimp_drawable_get_format (gint32 drawable_ID)
           g_free (colormap);
 
           if (gimp_drawable_has_alpha (drawable_ID))
-            format = palette;
-          else
             format = palette_alpha;
+          else
+            format = palette;
         }
       else
         {