Fix the type of the NULL arg to execl()

Idea from: Theo de Raadt <deraadt@openbsd.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/pw/pw.c b/pw/pw.c
index b59b9f9..01ba43a 100644
--- a/pw/pw.c
+++ b/pw/pw.c
@@ -248,7 +248,7 @@ main(int argc, char *argv[])
 			warn("fork()");
 		else if (pid == 0) {
 			/* Is make anywhere else? */
-			execlp("/usr/bin/make", "make", NULL);
+			execlp("/usr/bin/make", "make", (char *)NULL);
 			_exit(1);
 		} else {
 			int   i;