Throw in a NULL check to prevent possible crashes when the debug level is set to 2 or higher.
Throw in a NULL check to prevent possible crashes when the debug level is set to 2 or higher.

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