Upstream wget 1.17 compilation breaks with --disable-ipv6 configuration.
Backport an upstream commit that fixes the disabling of ipv6 in wget.
http://git.savannah.gnu.org/cgit/wget.git/commit/?id=2cfcadf5e6d5c444765aa460915ae27109a8dbce

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

wget-nossl variant for wget 1.17 is broken in upstream.
Copy a patch from upstream mailing list to fix compilation.
http://lists.gnu.org/archive/html/bug-wget/2015-11/msg00074.html

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>