Also check ranking game restrictions on server.

src/net/common/clientstate.cpp

@@ -1400,6 +1400,9 @@ ClientStateWaitJoin::InternalHandlePacket(boost::shared_ptr<ClientThread> client
 				case joinGameFailureReason_gameNameInUse :
 					failureCode = NTF_NET_JOIN_GAME_NAME_IN_USE;
 					break;
+				case joinGameFailureReason_invalidSettings :
+					failureCode = NTF_NET_JOIN_INVALID_SETTINGS;
+					break;
 				default :
 					failureCode = NTF_NET_INTERNAL;
 					break;