Modifies #getPresences(String) to return an iterator on Presences instead of an iterator on Map.Entries

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2201 b35dd754-fafc-0310-a699-88a17e54d16e

source/org/jivesoftware/smack/Roster.java

@@ -570,7 +570,7 @@ public class Roster {
             return null;
         }
         else {
-            return userPresences.entrySet().iterator();
+            return userPresences.values().iterator();
         }
     }