staging: wlan-ng: match open parenthesis alignment in p80211req.c

This patch fix open parenthesis alignment in p80211req.c file to
comply with the standard kernel coding style.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>