[librest] Don't leak ->url in rest_proxy_call_sync (#669764)

[Ross Burton <rburton src gnome org>]

commit 936aef6d6ec58f537997a1c2922ba4d34738dd18
Author: Ross Burton <ross burton intel com>
Date:   Fri Feb 24 13:00:13 2012 +0000

    Don't leak ->url in rest_proxy_call_sync (#669764)

 rest/rest-proxy-call.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/rest/rest-proxy-call.c b/rest/rest-proxy-call.c
index 4d45a16..72651c1 100644
--- a/rest/rest-proxy-call.c
+++ b/rest/rest-proxy-call.c
@@ -1263,6 +1263,9 @@ rest_proxy_call_sync (RestProxyCall *call,
 
   g_object_unref (message);
 
+  g_free (priv->url);
+  priv->url = NULL;
+
   return ret;
 }