staging: usbip: resolved a space in a comment

Removed a space in a comments lines at #459
Signed-off-by: Agustin March <agustin.march@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/usbip/usbip_common.c

@@ -456,7 +456,7 @@ EXPORT_SYMBOL_GPL(usbip_task_init);
 /*-------------------------------------------------------------------------*/
 /* socket routines */
 
- /*  Send/receive messages over TCP/IP. I refer drivers/block/nbd.c */
+/*  Send/receive messages over TCP/IP. I refer drivers/block/nbd.c */
 int usbip_xmit(int send, struct socket *sock, char *buf,
 	       int size, int msg_flags)
 {