staging: rtl8723au: process_80211d(): Fix order of advancing array pos
staging: rtl8723au: process_80211d(): Fix order of advancing array pos

Fix smatch warning from advancing array index before reading out the
value of the array.

Reported-by: Dan Carpenter <ff341aa343d564f9e53e9dcb6996be8c04859a66@oracle.com>
Signed-off-by: Jes Sorensen <0e1e349bdba396f044a06b01fef702e072aa66d3@redhat.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

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