Merge branch 'dm/ni-maxhost-may-be-missing'

On systems without NI_MAXHOST in their system header files,
connect.c (hence most of the transport) did not compile.

* dm/ni-maxhost-may-be-missing:
git-compat-util.h: Provide missing netdb.h definitions

diff --cc daemon.c
Simple merge

diff --cc git-compat-util.h
Simple merge