Make this WARNS=2 clean by using %j and (uintmax_t).

Reviewed by:	tjr@ on audit@
Approved by:	silence from sos@

sbin/atacontrol/Makefile

@@ -1,7 +1,6 @@
 #$FreeBSD$
 
 PROG=	atacontrol
-WARNS=	0
 MAN=	atacontrol.8
 
 .include <bsd.prog.mk>

sbin/atacontrol/atacontrol.c

@@ -34,6 +34,7 @@
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -137,7 +138,7 @@ cap_print(struct ata_params *parm)
 	printf("lba48%ssupported         ",
 		parm->support.address48 ? " " : " not ");
 	if (lbasize48)
-		printf("%lld sectors\n", lbasize48);	
+		printf("%ju sectors\n", (uintmax_t)lbasize48);	
 	else
 		printf("\n");