[DGD] Update to networking code

[Felix A. Croes]

bart at wotf.org wrote:

>[...]
> On a sidenote, while compiling DGD on Solaris 8 (sparc 64) I had to slightly
> change the makefile, but after that, it seems to work quite nicely.
>
> (without being able to look at the Makefile now, iirc it was a matter of
> adding -lsocket -lsnl -lresolv to the LIBS line)

Solaris is already taken care of in dgd/doc/Platforms.  There are
actually some warnings when compiling with Sun Studio 12, fixes for
which will be included in the next patch.

Regards,
Dworkin