dd some debuging info when saving avatar fails

ChangeLog

+Gajim 0.13.2 ((01 January 2010)
+
+  * Fix some translations
+  * Fix string comparison according to locales
+  * Fix resizing of groupchat occupant treeview
+  * Fix some gnomekeyring glitches
+  * better SRV usage with libasyncns
+
 Gajim 0.13.1 ((28 November 2009)
 
   * Fix a bug when no account exists and bonjour is not available

src/gtkgui_helpers.py

@@ -790,7 +790,8 @@ default_name = ''):
 		# Save image
 		try:
 			pixbuf.save(file_path, type_)
-		except Exception:
+		except Exception, e:
+			log.debug('Error saving avatar: %s' % str(e))
 			if os.path.exists(file_path):
 				os.remove(file_path)
 			new_file_path = '.'.join(file_path.split('.')[:-1]) + '.jpeg'