U406 - running and mimic mimicking closed doors

If running in a way that stops at closed doors, you should stop when coming
across a mimic mimicking a closed door too.

doc/fixes34.2

@@ -40,6 +40,7 @@ charge for use of an unpaid tinning kit
 avoid impossible when water freezes while hero is hiding under water
 avoid impossible after eating the object the hero is hiding under
 failed attempt to eat floor gold while polymorphed would lose the gold
+running that stops for closed doors should stop at mimics mimicking closed doors
 
 
 Platform- and/or Interface-Specific Fixes

src/hack.c

@@ -1906,7 +1906,10 @@ lookaround()
 	if (IS_ROCK(levl[x][y].typ) || (levl[x][y].typ == ROOM) ||
 	    IS_AIR(levl[x][y].typ))
 	    continue;
-	else if (closed_door(x,y)) {
+	else if (closed_door(x,y) ||
+		 (mtmp && mtmp->m_ap_type == M_AP_FURNITURE &&
+		  (mtmp->mappearance == S_hcdoor ||
+		   mtmp->mappearance == S_vcdoor))) {
 	    if(x != u.ux && y != u.uy) continue;
 	    if(flags.run != 1) goto stop;
 	    goto bcorr;