$NetBSD$

- use standard headers

--- src/abbrev.c~	1993-09-13 11:20:03.000000000 +0000
+++ src/abbrev.c
@@ -20,6 +20,7 @@ the Free Software Foundation, 675 Mass A
 
 #include <config.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include "lisp.h"
 #include "commands.h"
 #include "buffer.h"
