quit on win

uttt.c

@@ -581,8 +581,10 @@ int ut_network_game(struct ut_state *state, int sock, char player) { // TODO
 			{
 				printf("\n%c wins!\n", (int)w);
 			}
+			break;
 		}
 	}
+	return 0;
 }
 
 int ut_host_game(struct ut_state *state) {