[gimp] fix copy-paste error

[Nils Philippsen <nphilipp src gnome org>]

commit fc625feb4083e75ebd8325d4aa62c2678aeee06c
Author: Nils Philippsen <nils redhat com>
Date:   Wed Jan 9 15:37:30 2013 +0100

    fix copy-paste error

 app/core/gimptoolinfo.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/app/core/gimptoolinfo.c b/app/core/gimptoolinfo.c
index 0224a0e..c144ed8 100644
--- a/app/core/gimptoolinfo.c
+++ b/app/core/gimptoolinfo.c
@@ -136,7 +136,7 @@ gimp_tool_info_finalize (GObject *object)
   if (tool_info->help)
     {
       g_free (tool_info->help);
-      tool_info->blurb = NULL;
+      tool_info->help = NULL;
     }
 
   if (tool_info->menu_label)