I am seeing Wunused-but-set warning while make nconfig.  Looks like
active_menu is not used. Removing it fixes the warning.
Signed-off-by: NRaghavendra D Prabhu <rprabhu@wnohang.net>
Acked-by: NWANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: NMichal Marek <mmarek@suse.cz>