Fixed segfault during map load when playing jHexen; as there are no Map Info definitions (only a MAPINFO lump) Def_GetMapInfo() would fail but the recent changes for Sky definitions assumed it could not and would attempt dereference the returned NULL ptr;
Fixed segfault during map load when playing jHexen; as there are no Map Info definitions (only a MAPINFO lump) Def_GetMapInfo() would fail but the recent changes for Sky definitions assumed it could not and would attempt dereference the returned NULL ptr;