[frogr] Added missing call to g_object_unref()

[Mario Sanchez Prada <msanchez src gnome org>]

commit 0106452ae00ffacce5d8d64cc321d0fb15a2db63
Author: Mario Sanchez Prada <msanchez gnome org>
Date:   Sat Nov 10 04:00:37 2012 +0100

    Added missing call to g_object_unref()

 src/frogr-create-new-set-dialog.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/frogr-create-new-set-dialog.c b/src/frogr-create-new-set-dialog.c
index 7a38806..3fd9c88 100644
--- a/src/frogr-create-new-set-dialog.c
+++ b/src/frogr-create-new-set-dialog.c
@@ -196,6 +196,7 @@ _update_model (FrogrCreateNewSetDialog *self,
           frogr_picture_set_description (picture, description);
         }
     }
+  g_object_unref (new_set);
 
   frogr_model_notify_changes_in_pictures (model);
 }