iwl3945: fix merge mistake for packet injection

We should allow packets transmission in monitor mode for 3945. The
patch fixes a merge error with 2.6.26 kernel.
Signed-off-by: NZhu Yi <yi.zhu@intel.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

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

@@ -6589,12 +6589,6 @@ static int iwl3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 	IWL_DEBUG_MAC80211("enter\n");
 
-	if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) {
-		IWL_DEBUG_MAC80211("leave - monitor\n");
-		dev_kfree_skb_any(skb);
-		return 0;
-	}
-
 	IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
 		     ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);