Fixes MF_FLEE_PENALTY parsing

src/map/npc.cpp

@@ -5555,7 +5555,8 @@ const char* npc_parse_mapflag(char* w1, char* w2, char* w3, char* w4, const char
 			break;
 		}
 
-		case MF_INVINCIBLE_TIME: {
+		case MF_INVINCIBLE_TIME:
+		case MF_FLEE_PENALTY: {
 				union u_mapflag_args args = {};
 
 				if (sscanf(w4, "%11d", &args.flag_val) < 1)