[WATCHDOG] Return value of nonseekable_open

Return the value of the nonseekable_open function and not 0.

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

diff --git a/drivers/char/watchdog/sc1200wdt.c b/drivers/char/watchdog/sc1200wdt.c
index 2f7ba7a..9670d47 100644
--- a/drivers/char/watchdog/sc1200wdt.c
+++ b/drivers/char/watchdog/sc1200wdt.c
@@ -150,8 +150,6 @@
 
 static int sc1200wdt_open(struct inode *inode, struct file *file)
 {
-	nonseekable_open(inode, file);
-
 	/* allow one at a time */
 	if (down_trylock(&open_sem))
 		return -EBUSY;
@@ -162,7 +160,7 @@
 	sc1200wdt_start();
 	printk(KERN_INFO PFX "Watchdog enabled, timeout = %d min(s)", timeout);
 
-	return 0;
+	return nonseekable_open(inode, file);
 }