watchdog: cleanup spaces before tabs

cleanup spaces before tabs in drivers/watchdog/

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

diff --git a/drivers/watchdog/wdt977.c b/drivers/watchdog/wdt977.c
index 5c2521f..a2f01c9 100644
--- a/drivers/watchdog/wdt977.c
+++ b/drivers/watchdog/wdt977.c
@@ -281,7 +281,7 @@
 {
 	/*
 	 *	Shut off the timer.
-	 * 	Lock it in if it's a module and we set nowayout
+	 *	Lock it in if it's a module and we set nowayout
 	 */
 	if (expect_close == 42) {
 		wdt977_stop();