SCUMM: shorten delay for dungeon door closing action

Escaping with only one kid should not be possible anymore.

engines/scumm/script_v2.cpp

@@ -1433,6 +1433,17 @@ void ScummEngine_v2::o2_delay() {
 	delay |= fetchScriptByte() << 16;
 	delay = 0xFFFFFF - delay;
 
+	// WORKAROUND: walking speed in the original v0/v1 interpreter 
+	// is sometimes slower (e.g. during scrolling) than in ScummVM.
+	// Hence, the delay for the door-closing action in the dungeon 
+	// is to long, so a single kid is able to escape -> shorten delay.
+	int script = vm.slot[_currentScript].number;
+	if ((_game.version == 0 && script == 132) || 
+		(_game.version == 1 && script == 137)) {
+		if (delay == 180)
+			delay = 120;
+	}
+
 	vm.slot[_currentScript].delay = delay;
 	vm.slot[_currentScript].status = ssPaused;
 	o5_breakHere();