(svn r18949) -Fix (r18942): 'reduced plane crashes' were actually 'more plane crashes'

src/aircraft_cmd.cpp

@@ -1296,7 +1296,7 @@ static void MaybeCrashAirplane(Aircraft *v)
 	Station *st = Station::Get(v->targetairport);
 
 	/* FIXME -- MaybeCrashAirplane -> increase crashing chances of very modern airplanes on smaller than AT_METROPOLITAN airports */
-	uint32 prob = (0x40000 >> _settings_game.vehicle.plane_crashes);
+	uint32 prob = (0x4000 << _settings_game.vehicle.plane_crashes);
 	if ((st->Airport()->flags & AirportFTAClass::SHORT_STRIP) &&
 			(AircraftVehInfo(v->engine_type)->subtype & AIR_FAST) &&
 			!_cheats.no_jetcrash.value) {