usb_serial: some coding style fixes

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index d947d95..ba28fdc 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -130,7 +130,7 @@
 		return -ENOMEM;
 
 	r = ch341_control_in(dev, 0x95, 0x0706, 0, buffer, size);
-	if ( r < 0)
+	if (r < 0)
 		goto out;
 
 	/* Not having the datasheet for the CH341, we ignore the bytes returned