Added m_tag_copy_chain() call to copy original outgoing packet tags to all of

it's fragments.

Reviewed by:	archie
Approved by:	glebius (mentor)

sys/netgraph/ng_ppp.c

@@ -1946,6 +1946,7 @@ ng_ppp_mp_xmit(node_p node, item_p item, uint16_t proto)
 					NG_FREE_M(m);
 					return (ENOMEM);
 				}
+				m_tag_copy_chain(n, m, M_DONTWAIT);
 				m = n;
 			}