[telepathy-gabble/master] gabble_presence_resource_pick_best_feature: disallow "" as a resource

[Simon McVittie]

---
 src/presence.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/presence.c b/src/presence.c
index 06e1833..47549b1 100644
--- a/src/presence.c
+++ b/src/presence.c
@@ -648,6 +648,7 @@ gabble_presence_resource_pick_best_feature (GabblePresence *presence,
 
   g_return_val_if_fail (presence != NULL, NULL);
   g_return_val_if_fail (resource != NULL, NULL);
+  g_return_val_if_fail (resource[0] != '\0', NULL);
   g_return_val_if_fail (predicate != NULL, NULL);
   g_return_val_if_fail (table != NULL, NULL);
 
-- 
1.5.6.5