watchdog: f71808e_wdt: separate declaration and assignment

Separate declaration and assignment in watchdog_start()
Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

drivers/watchdog/f71808e_wdt.c

@@ -338,8 +338,10 @@ static int f71862fg_pin_configure(unsigned short ioaddr)
 
 static int watchdog_start(void)
 {
+	int err;
+
 	/* Make sure we don't die as soon as the watchdog is enabled below */
-	int err = watchdog_keepalive();
+	err = watchdog_keepalive();
 	if (err)
 		return err;