[gupnp] Don't leak GError in linux cm

[Jens Georg <jensgeorg src gnome org>]

commit 0459f94539caf8d9171bf457acd526c85596b5a9
Author: Marcin Nowakowski <marcin nowakowski pure com>
Date:   Sun Dec 9 21:07:57 2012 +0100

    Don't leak GError in linux cm

 libgupnp/gupnp-linux-context-manager.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/libgupnp/gupnp-linux-context-manager.c b/libgupnp/gupnp-linux-context-manager.c
index 7d36cda..a5d1c46 100644
--- a/libgupnp/gupnp-linux-context-manager.c
+++ b/libgupnp/gupnp-linux-context-manager.c
@@ -473,6 +473,8 @@ query_all_network_interfaces (GUPnPLinuxContextManager *self)
         do {
                 receive_netlink_message (self, &error);
         } while (error == NULL);
+
+        g_error_free (error);
 }
 
 static void