[empathy] don't start geocode search if the address is empty

[Guillaume Desmottes <gdesmott src gnome org>]

commit e793c8e563a0ab7f61c06852423571a21f2e3c05
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Thu Apr 8 13:34:38 2010 +0200

    don't start geocode search if the address is empty

 libempathy/empathy-contact.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/libempathy/empathy-contact.c b/libempathy/empathy-contact.c
index 707031a..f6f0e25 100644
--- a/libempathy/empathy-contact.c
+++ b/libempathy/empathy-contact.c
@@ -1364,9 +1364,13 @@ update_geocode (EmpathyContact *contact)
       DEBUG ("\t - street: %s", str);
     }
 
-  g_object_ref (contact);
-  geoclue_geocode_address_to_position_async (geocode, address,
-    geocode_cb, contact);
+  if (g_hash_table_size (address) > 0)
+    {
+      g_object_ref (contact);
+
+      geoclue_geocode_address_to_position_async (geocode, address,
+          geocode_cb, contact);
+    }
 
   g_hash_table_unref (address);
 }