[gimp/metadata-browser] app: Drop redundant assignment

[Roman Joost <romanofski src gnome org>]

commit 3a6e71fa3aeea391802d675b9c646707feea23fd
Author: Mukund Sivaraman <muks banu com>
Date:   Wed Oct 12 19:02:49 2011 +0530

    app: Drop redundant assignment

 app/display/gimpcanvastransformpreview.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/app/display/gimpcanvastransformpreview.c b/app/display/gimpcanvastransformpreview.c
index c121b06..ebb99fa 100644
--- a/app/display/gimpcanvastransformpreview.c
+++ b/app/display/gimpcanvastransformpreview.c
@@ -1382,7 +1382,6 @@ gimp_canvas_transform_preview_trace_tri_edge (gint *dest,
 
   g_return_if_fail (dest != NULL);
 
-  b         = 0;
   errorterm = 0;
   dptr      = dest;