don't set to empty, else breaks values set earlier (_REENTRANT). other trivial cleanup
don't set to empty, else breaks values set earlier (_REENTRANT). other trivial cleanup

kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1,kongr45gpen/bzflag-import-1