dirmngr: Always print a warning for a missing /etc/hosts.

dirmngr: Always print a warning for a missing /etc/hosts.

* dirmngr/dns-stuff.c (libdns_init): No Windows specific handling of a
missing /etc/hosts.
--

My last comment on this was flawed.  Windows seems to always have its
version of /etc/hosts.  Only the en passant fixed bad escaping led me
assume that this was the case.  Thanks to Andre for complaining about
my comment remark.

Signed-off-by: Werner Koch <wk@gnupg.org>
(cherry picked from commit 35c843c815306f36d1efbc52f5e2f6bac3f67aec)

Gbp-Pq: Name 0061-dirmngr-Always-print-a-warning-for-a-missing-etc-hos.patch