[WATCHDOG] sizeof cleanup

Use sizeof(*) instead of sizeof * (See Codingstyle documentation).

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/watchdog/iop_wdt.c b/drivers/watchdog/iop_wdt.c
index 0c90596..aef9478 100644
--- a/drivers/watchdog/iop_wdt.c
+++ b/drivers/watchdog/iop_wdt.c
@@ -139,7 +139,7 @@
 
 	switch (cmd) {
 	case WDIOC_GETSUPPORT:
-		if (copy_to_user(argp, &ident, sizeof ident))
+		if (copy_to_user(argp, &ident, sizeof(ident)))
 			ret = -EFAULT;
 		else
 			ret = 0;