[WATCHDOG] VFS clean-up

All watchdog device drivers are VFSs (Virtual File Systems).
We thus return a nonseekable_open(inode, file) when we open the VFS.

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

diff --git a/drivers/char/watchdog/mpc8xx_wdt.c b/drivers/char/watchdog/mpc8xx_wdt.c
index 8aaed10..85b5734 100644
--- a/drivers/char/watchdog/mpc8xx_wdt.c
+++ b/drivers/char/watchdog/mpc8xx_wdt.c
@@ -57,7 +57,7 @@
 	m8xx_wdt_reset();
 	mpc8xx_wdt_handler_disable();
 
-	return 0;
+	return nonseekable_open(inode, file);
 }
 
 static int mpc8xx_wdt_release(struct inode *inode, struct file *file)