Added getRoom method.

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@1975 b35dd754-fafc-0310-a699-88a17e54d16e

source/org/jivesoftware/smack/GroupChat.java

@@ -126,6 +126,15 @@ public class GroupChat {
         }, presenceFilter);
     }
 
+    /**
+     * Returns the name of the room this GroupChat object represents.
+     *
+     * @return the groupchat room name.
+     */
+    public String getRoom() {
+        return room;
+    }
+
     /**
      * Joins the chat room using the specified nickname. If already joined as
      * another nickname, will leave as that name first before joining under the new