install.sh: drop XDL_FAST_HASH warning for 2.12.0 or later
commita0c6ae59da53b54f0ab50372bc9664aebe426ce0
authorKyle J. McKay <mackyle@gmail.com>
Sat, 25 Nov 2017 23:07:12 +0000 (25 15:07 -0800)
committerKyle J. McKay <mackyle@gmail.com>
Sat, 25 Nov 2017 23:07:12 +0000 (25 15:07 -0800)
tree93c7b81bda7131da2aeda679d510263c28788b0c
parentc03177d25ba9f735cc6b76d4c442c862cf88e904
install.sh: drop XDL_FAST_HASH warning for 2.12.0 or later

Git commit 1f7c9261320576fc (xdiff: drop XDL_FAST_HASH, 2016-11-30, v2.12.0)
removed all support for XDL_FAST_HASH as it produces harmful results.

See either of these for details:

    https://mid.mail-archive.com/20141222041944.GA441@peff.net
    https://public-inbox.org/git/20141222041944.GA441@peff.net/

Also update the warning link to https since it's now a redirect there.

Signed-off-by: Kyle J. McKay <mackyle@gmail.com>
install.sh