staging: rtl8192e: Replace struct rtllib_hdr_3addr in rtllib_softmac.c

Replace struct rtllib_hdr_3addr with struct ieee80211_hdr_3addr to avoid
proprietary struct.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/8e385d0810132086ce44d295c47d3798960a391b.1694792595.git.philipp.g.hortmann@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>