mwifiex: fix rx_pending count imbalance

RX packets are handled in different paths. Not all paths have
decrement of rx_pending counter. This patch fixes the counter
imbalance.

Signed-off-by: Ujjal Roy <royujjal@gmail.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index 6499117..1d0a817 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -643,7 +643,8 @@
 			if (priv)
 				priv->stats.rx_dropped++;
 
-			adapter->if_ops.data_complete(adapter, skb);
+			dev_kfree_skb_any(skb);
+			adapter->if_ops.data_complete(adapter);
 		}
 	}