AF_LOCAL on Linus *should* be available

[derrell at samba.org]

Henrik Nordstrom <hno at squid-cache.org> writes:

> On Wed, 11 May 2005 derrell at samba.org wrote:
>
>> It seems that there is no test for whether <sys/un.h> exists, and thus setting
>> HAVE_SYS_UN_H never occurs.
>
> Then add sys/un.h to the list of header files configure should probe for. 
> There should be an AC_CHECK_HEADERS instance with a long list of headers..

Great.  That fixed it.  Thanks.

Derrell