staging: wlan-ng: cfg80211.c: Fix sparse warnings
staging: wlan-ng: cfg80211.c: Fix sparse warnings

Include necessary header files to avoid "should be static" sparse warning

Signed-off-by: Tair Rzayev <96b61f7c320f69e8b673fc38178bc08931575ebe@gmail.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs