[WAN] hdlc_cisco: Fix regression introduced by skb->tail changes.
[WAN] hdlc_cisco: Fix regression introduced by skb->tail changes.

The following commit breaks cisco mode with my WAN drivers:
author	David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>
	Tue, 28 Jun 2005 22:25:31 +0000 (15:25 -0700)
commit	689be43945e9ca7dd704522e55af1b8a73a994d3

"[NET]: Remove gratuitous use of skb->tail in network drivers."

The following patch fixes it - please apply (cisco_hard_header does
skb_push(4 bytes)).

Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs