$OpenBSD: patch-src_classic_c,v 1.2 2009/05/29 20:01:09 benoit Exp $
--- src/classic.c.orig	Sun Oct 28 13:59:13 2007
+++ src/classic.c	Wed May 27 01:43:31 2009
@@ -907,7 +907,7 @@ decrypt_general(char *algorithm, char *fromfile, char 
 	    if (pid == 0) {
 	       if (gzipflag == TRUE) {
 		  err_warn(_("Decompressing the output file...\n"));
-		  i = execlp(GZIP, GZIP, "-d", tofile, NULL);
+		  i = execlp(GZIP, GZIP, "-d", tofile, (void *)NULL);
 		  if (i == -1) {
 		     perror("exec");
 		     return 1;
@@ -916,7 +916,7 @@ decrypt_general(char *algorithm, char *fromfile, char 
 	       }
 	       if (bzipflag == TRUE) {
 		  err_warn(_("Decompressing the output file...\n"));
-		  i = execlp(BZIP2, BZIP2, "-d", tofile, NULL);
+		  i = execlp(BZIP2, BZIP2, "-d", tofile, (void *)NULL);
 		  if (i == -1) {
 		     perror("exec");
 		     return 1;
