[gnome-control-center] user-accounts: Fix memory leak of realm proxy

[Stefan Walter <stefw src gnome org>]

commit 5cf76cb0b64c2c4d03aa28e35114f211f9992f43
Author: Stef Walter <stefw redhat com>
Date:   Sun May 26 21:10:51 2013 +0200

    user-accounts: Fix memory leak of realm proxy
    
    https://bugzilla.gnome.org/show_bug.cgi?id=701060

 panels/user-accounts/um-account-dialog.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/panels/user-accounts/um-account-dialog.c b/panels/user-accounts/um-account-dialog.c
index 469a833..b17b0fa 100644
--- a/panels/user-accounts/um-account-dialog.c
+++ b/panels/user-accounts/um-account-dialog.c
@@ -356,6 +356,7 @@ enterprise_add_realm (UmAccountDialog *self,
                 g_free (name);
                 if (match) {
                         g_debug ("ignoring duplicate realm: %s", realm_name);
+                        g_object_unref (common);
                         return;
                 }
                 ret = gtk_tree_model_iter_next (model, &iter);