Mindless monsters shouldn't cringe stepping on squeaky boards

doc/fixes37.0

@@ -760,6 +760,7 @@ do some extra damage when hitting an iron golem with a wet towel
 when already at level 30 and gaining another level--which doesn't increase
 	level further but does add more HP and Pw--throttle the increases
 don't stop running when next to a peaceful, unless it blocks the way
+mindless monsters shouldn't cringe stepping on squeaky boards
 
 
 Fixes to 3.7.0-x Problems that Were Exposed Via git Repository

src/trap.c

@@ -1155,7 +1155,7 @@ trapeffect_sqky_board(
                 pline("A board beneath %s squeaks %s loudly.",
                       mon_nam(mtmp), trapnote(trap, FALSE));
                 seetrap(trap);
-            } else {
+            } else if (!mindless(mtmp->data)) {
                 pline("%s stops momentarily and appears to cringe.",
                       Monnam(mtmp));
             }