Fixes Unlimited turns. (set to -1)

director.cpp

@@ -893,9 +893,15 @@ void Director::SL_infoline(const std::string &line) {
 
       // turns isn't ship specific
       if (galaxy.meta["info"]["Turns left"]) {
-        int turns = galaxy.meta["info"]["Turns left"].as<int>();
+        // OR this could be "Unlimited" !!!
+        std::string text = galaxy.meta["info"]["Turns left"].as<std::string>();
+        if (text == "Unlimited") {
+          galaxy.meta["turns"] = -1;
+        } else {
+        int turns = stoi(text); // galaxy.meta["info"]["Turns left"].as<int>();
         BUGZ_LOG(fatal) << "Turns left: " << turns;
         galaxy.meta["turns"] = turns;
+        }
       }
 
       if (galaxy.meta["info"]["Current Sector"]) {