$NetBSD$

Fix build with recent gdbm.

--- perdition/db/gdbm/perditiondb_gdbm.h~	2009-09-29 02:17:19.000000000 +0000
+++ perdition/db/gdbm/perditiondb_gdbm.h
@@ -30,9 +30,6 @@
 #include <ctype.h>
 #include <gdbm.h>
 
-extern gdbm_error gdbm_errno;
-extern char *gdbm_version;
-
 #ifndef PERDITIONDB_GDBM_SYSCONFDIR
 #define PERDITIONDB_GDBM_SYSCONFDIR "/usr/local/etc/perdition"
 #endif
