fix iwl3945 registration regression

I forgot that iwl3945 registration is separate from iwlagn.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -4913,6 +4913,8 @@ static int iwl3945_setup_mac(struct iwl_priv *priv)
 
 	hw->wiphy->custom_regulatory = true;
 
+	hw->wiphy->max_scan_ssids = 1; /* WILL FIX */
+
 	/* Default value; 4 EDCA QOS priorities */
 	hw->queues = 4;