[gimp/soc-2010-cage-2] gimpcageconfig: add missing normal computing, which caused wrong first preview

[Michael Muré <mmure src gnome org>]

commit 537c72b0cf0ebb79707e476c5b206bc191c609bf
Author: Michael Muré <batolettre gmail com>
Date:   Sun Aug 15 02:09:41 2010 +0200

    gimpcageconfig: add missing normal computing, which caused wrong first preview

 app/gegl/gimpcageconfig.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/app/gegl/gimpcageconfig.c b/app/gegl/gimpcageconfig.c
index 1002178..11c5b87 100644
--- a/app/gegl/gimpcageconfig.c
+++ b/app/gegl/gimpcageconfig.c
@@ -198,6 +198,7 @@ gimp_cage_config_remove_last_cage_point (GimpCageConfig  *gcc)
     gcc->cage_vertice_number--;
 
   gimp_cage_config_compute_scaling_factor (gcc);
+  gimp_cage_config_compute_edge_normal (gcc);
 }
 
 gint
@@ -331,6 +332,7 @@ gimp_cage_config_reverse_cage  (GimpCageConfig *gcc)
   }
 
   gimp_cage_config_compute_scaling_factor (gcc);
+  gimp_cage_config_compute_edge_normal (gcc);
 }
 
 void