don't remove style keys from non-areaportals if the map leaks

qbsp/portals.cc

@@ -925,8 +925,11 @@ void EmitAreaPortals(node_t *headnode)
 
         for (auto &e : map.entities) {
             e.areaportalnum = 0;
+
+            if (e.epairs.get("classname") == "func_areaportal") {
                 e.epairs.remove("style");
             }
+        }
 
         return;
     }