net: dont drop packet but consume it

When we need to clone skb, we dont drop a packet.
Call consume_skb() to not confuse dropwatch.
Signed-off-by: NEric Dumazet <edumazet@google.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/core/skbuff.c

@@ -1274,7 +1274,7 @@ int ___pskb_trim(struct sk_buff *skb, unsigned int len)
 				return -ENOMEM;
 
 			nfrag->next = frag->next;
-			kfree_skb(frag);
+			consume_skb(frag);
 			frag = nfrag;
 			*fragp = frag;
 		}