staging/rtl8192u: put { on same line as struct

This fixes the checkpatch error "open brace '{' following struct go on the
same line" in staging/rtl8192u

Signed-off-by: Jennifer Naumann <Jennifer.Naumann@informatik.stud.uni-erlangen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>