Try fixing interrupted travel oddities

My earlier commit (433f0cc) changed traveling, and caused some
strange problems when travel was interrupted. This seems to
fix those problems.

src/hack.c

@@ -3006,6 +3006,7 @@ end_running(boolean and_travel)
     if (flags.time && g.context.run)
         iflags.time_botl = TRUE;
     g.context.run = 0;
+    g.domove_attempting = 0;
     /* 'context.mv' isn't travel but callers who want to end travel
        all clear it too */
     if (and_travel)