iwlwifi: decrement rx skb counter in scan abort handler

This patch decrements rx skb counter in scan abort handler.

Signed-off-by: Emmanuel Grumbach <[e-mail]>
Signed-off-by: Tomas Winkler <[e-mail]>
Signed-off-by: Zhu Yi <[e-mail]>
Signed-off-by: John W. Linville <[e-mail]>

drivers/net/wireless/iwlwifi/iwl-scan.c

···
 		clear_bit(STATUS_SCAN_HW, &priv->status);
 	}
 
+	priv->alloc_rxb_skb--;
 	dev_kfree_skb_any(cmd.meta.u.skb);
 
 	return ret;