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>

drivers/net/wireless/wl12xx/scan.c

@@ -338,8 +338,8 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl,
 		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,