mod_muc_room: Let members see admin/owner JIDs

Let members retrieve all affiliation lists in non-anonymous rooms, not
just the list of members.

src/mod_muc_room.erl

@@ -2569,8 +2569,8 @@ process_iq_admin(From, get, Lang, SubEl, StateData) ->
 			SAffiliation ->
 			    if (FAffiliation == owner) or
 				 (FAffiliation == admin) or
-				 ((FAffiliation == member) and (SAffiliation == member) and
-				  not (StateData#state.config)#config.anonymous) ->
+				 ((FAffiliation == member) and not
+				  (StateData#state.config)#config.anonymous) ->
 				   Items = items_with_affiliation(SAffiliation,
 								  StateData),
 				   {result, Items, StateData};