Staging: line6: Fix unnecessary space after function pointer in driver.c

This patch fixes the following checkpatch.pl issues in driver.c:
WARNING: unnecessary space after function pointer in driver.c
Signed-off-by: NMonam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/line6/driver.c

@@ -217,7 +217,7 @@ static int line6_send_raw_message_async_part(struct message *msg,
 	Setup and start timer.
 */
 void line6_start_timer(struct timer_list *timer, unsigned int msecs,
-		       void (*function) (unsigned long), unsigned long data)
+		       void (*function)(unsigned long), unsigned long data)
 {
 	setup_timer(timer, function, data);
 	timer->expires = jiffies + msecs * HZ / 1000;