That last merge update should have included this.
-/* SCCS Id: @(#)patchlevel.h 3.5 2006/04/14 */
+/* SCCS Id: @(#)patchlevel.h 3.5 2006/04/15 */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* NetHack may be freely redistributed. See license for details. */
* Incrementing EDITLEVEL can be used to force invalidation of old bones
* and save files.
*/
-#define EDITLEVEL 29
+#define EDITLEVEL 30
#define COPYRIGHT_BANNER_A \
"NetHack, Copyright 1985-2006"