watchdog: sbc7240_wdt: Fix yet another -Wimplicit-fallthrough warning

... by moving the fall through comment outside of the code block so that
gcc sees it.

No functional changes.

Signed-off-by: Borislav Petkov <[email protected]>
Cc: Wim Van Sebroeck <[email protected]>
Cc: Guenter Roeck <[email protected]>
Cc: [email protected]
Reviewed-by: Guenter Roeck <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>

drivers/watchdog/sbc7240_wdt.c

@@ -194,9 +194,8 @@ static long fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
 		if (wdt_set_timeout(new_timeout))
 			return -EINVAL;
-
-		/* Fall through */
 	}
+	/* Fall through */
 	case WDIOC_GETTIMEOUT:
 		return put_user(timeout, (int __user *)arg);
 	default: