$OpenBSD: patch-src_mbox_c,v 1.1 2003/01/17 12:04:28 couderc Exp $
--- src/mbox.c.orig	Fri Jan 17 13:42:59 2003
+++ src/mbox.c	Fri Jan 17 13:43:22 2003
@@ -42,7 +42,9 @@
 #include "account.h"
 #include "utils.h"
 
-#define MSGBUFSIZE	8192
+#ifndef MSGBUFSIZE
+#  define MSGBUFSIZE	8192
+#endif
 
 #define FPUTS_TO_TMP_ABORT_IF_FAIL(s) \
 { \
