$NetBSD$

- use standard headers

--- src/callint.c~	1994-10-21 04:19:49.000000000 +0000
+++ src/callint.c
@@ -24,6 +24,7 @@ the Free Software Foundation, 675 Mass A
 /* 93.3.18  modified for Mule Ver.0.9.7.1 by K.Handa <handa@etl.go.jp>
 	Document of 'interactive' updated. */
 
+#include <stdlib.h>
 #include <config.h>
 #include "lisp.h"
 #include "buffer.h"
