$OpenBSD: patch-src_flow-capture_c,v 1.3 2005/06/09 01:05:55 pvalchev Exp $
--- src/flow-capture.c.orig	Fri Nov 28 23:43:08 2003
+++ src/flow-capture.c	Wed Jun  8 18:27:33 2005
@@ -1223,7 +1223,7 @@ skip_pdu_decode:
           } else if (!n) { /* child */
 
             n = execl(post_rotate_exec, post_rotate_exec, cap_file.nname,
-                NULL);
+                (void *)NULL);
 
             if (n == -1) 
               fterr_err(1, "exec(%s)", post_rotate_exec);
