[PATCH] Fix off-by-one bug in ifconfig's af_link.c

Ulrich Spörlein wrote:
> I'm pretty sure it's the link_getaddr in af_link.c, there are two
> possible fixes, depending on the requirements of link_addr()
> 
> If link_addr *needs* a terminating '\0', then we need to
> malloc(strlen(addr) + 2), if it doesn't need the terminating zero, we
> should get away with strncpy(temp + 1, addr, strlen(addr))

Yeah, seems to be a slow sunday today. Attached is the fix for this
off-by-one bug.

Ulrich Spoerlein
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