- The first argument of getmode() is a void *

- Add WARNS?= 6

Approved by:	stefanf, grehan (mentor)
Obtained from:	DragonFlyBSD

bin/mkdir/Makefile

@@ -2,5 +2,6 @@
 # $FreeBSD$
 
 PROG=	mkdir
+WARNS?=	6
 
 .include <bsd.prog.mk>

bin/mkdir/mkdir.c

@@ -62,7 +62,8 @@ int
 main(int argc, char *argv[])
 {
 	int ch, exitval, success, pflag;
-	mode_t omode, *set = (mode_t *)NULL;
+	mode_t omode;
+	void *set = NULL;
 	char *mode;
 
 	omode = pflag = 0;