wl12xx: fix passive and radar channel generation for scheduled scan

We were comparing bitwise AND results with a boolean, so when the
boolean was set to true, it was not matching as it should.

Fix this by booleanizing the bitwise AND results with !!.

Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c
index f37e5a3..f223e0e 100644
--- a/drivers/net/wireless/wl12xx/scan.c
+++ b/drivers/net/wireless/wl12xx/scan.c
@@ -338,8 +338,8 @@
 		flags = req->channels[i]->flags;
 
 		if (!(flags & IEEE80211_CHAN_DISABLED) &&
-		    ((flags & IEEE80211_CHAN_PASSIVE_SCAN) == passive) &&
-		    ((flags & IEEE80211_CHAN_RADAR) == radar) &&
+		    (!!(flags & IEEE80211_CHAN_PASSIVE_SCAN) == passive) &&
+		    (!!(flags & IEEE80211_CHAN_RADAR) == radar) &&
 		    (req->channels[i]->band == band)) {
 			wl1271_debug(DEBUG_SCAN, "band %d, center_freq %d ",
 				     req->channels[i]->band,