$OpenBSD: patch-src_mp3file_c,v 1.1 2006/01/20 06:27:28 jolan Exp $
--- src/mp3file.c.orig	Tue Nov 22 21:16:12 2005
+++ src/mp3file.c	Fri Jan  6 15:45:20 2006
@@ -1907,7 +1907,7 @@ static gboolean mp3_calc_gain (gchar *pa
         execl(mp3gain_path, mp3gain_exec, 
 			"-q", /* quiet */
 			"-k", /* set ReplayGain so that clipping is prevented */
-			path, NULL);
+			path, (void *)NULL);
 	errsv = errno;
         fprintf(stderr, "execl() failed: %s\n", strerror(errsv));
 	/* mp3gain (can) return 1 on success. So only values greater 1 can
