staging: wlan-ng: remove space before tab

remove the space before the tab to fix the the checkpatch issue,
no spaces before tabs.
Signed-off-by: Gargi Sharma <gs051095@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wlan-ng/prism2mib.c

@@ -745,7 +745,7 @@ static int prism2mib_priv(struct mibrec *mib,
  *	pstr		wlan message data
  *
  * Returns:
- * 	Nothing
+ *	Nothing
  *
  */