patch to avoid warning in gdbm.h

[Petter Reinholdtsen]

With gdbm version 1.8.3, I get the following warning:

  /local/include/gdbm.h:85: warning: function declaration isn't a prototype

This patch should fix the problem.  Please include it in the next
version of gdbm.

diff -ur src-1.8.3/gdbm.proto src-1.8.3-local/gdbm.proto
--- src-1.8.3/gdbm.proto        1999-05-19 02:16:06.000000000 +0200
+++ src-1.8.3-local/gdbm.proto  2003-06-15 13:45:57.000000000 +0200
@@ -82,7 +82,7 @@

 /* These are the routines! */

-extern GDBM_FILE gdbm_open __P((char *, int, int, int, void (*)()));
+extern GDBM_FILE gdbm_open __P((char *, int, int, int, void (*)(void)));
 extern void gdbm_close __P((GDBM_FILE));
 extern int gdbm_store __P((GDBM_FILE, datum, datum, int));
 extern datum gdbm_fetch __P((GDBM_FILE, datum));