V4L/DVB (5942): Usb/vp7045.c: ARRAY_SIZE()

This patch replaces an array size calculation done using sizeof
with an invocation of the ARRAY_SIZE macro.

Tested by compilation on an i386 box using "allyesconfig".
Diffed against Linus' git-tree.
Signed-off-by: NAndi Drebes <lists-receive@programmierforen.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/dvb-usb/vp7045.c

@@ -159,7 +159,7 @@ static int vp7045_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 		return 0;
 	}
 
-	for (i = 0; i < sizeof(vp7045_rc_keys)/sizeof(struct dvb_usb_rc_key); i++)
+	for (i = 0; i < ARRAY_SIZE(vp7045_rc_keys); i++)
 		if (vp7045_rc_keys[i].data == key) {
 			*state = REMOTE_KEY_PRESSED;
 			*event = vp7045_rc_keys[i].event;