Update mud

src/main.c

@@ -358,9 +358,12 @@ int main (int argc, char **argv)
         }
 
         struct timeval timeout = {
-            .tv_usec = 1000,
+            .tv_usec = 100000,
         };
 
+        if (mud_can_push(mud))
+            timeout.tv_usec = 1000;
+
         if _0_(select(mud_fd+1, &rfds, NULL, NULL, &timeout)==-1) {
             if (errno==EINTR)
                 continue;