Output signal strength information as part of iwlist scan - before it did
not output any signal strength related information.
Signed-off-by: NHolden Karau <holden@pigscanfly.ca>
Cc: Jean Tourrilhes <jt@hpl.hp.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>