applies a fix for sf bug tracker 699227 where a null char pointer is getting dereferenced
applies a fix for sf bug tracker 699227 where a null char pointer is getting dereferenced


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