Staging: rtl8188eu: core: fix brace coding style issue in rtw_mlme_ext.c

This is a patch to the rtw_mlme_ext.c file that fixes up a brace error
found by the checkpatch.pl tool

Signed-off-by: Armin Schoenlieb <armetallica@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>