ChangeLog addition:

2021-09-09  Aidan Kehoe  <kehoea@parhasard.net>

	* README (Note):
	Update a link in this file, now Bitbucket support for Mercurial is
	no longer extant.  Thank you J Lewis Muir on Heptapod!

lib-src/ChangeLog addition:

2021-09-09  Aidan Kehoe  <kehoea@parhasard.net>

	* gnuserv.c (handle_unix_request):
	Update a link to a specific changeset on Heptapod here, now
	Bitbucket's Mercurial support is dead.

src/ChangeLog addition:

2021-09-09  Aidan Kehoe  <kehoea@parhasard.net>

	* ChangeLog:
	Update a link in this file now Bitbucket support for Mercurial is
	no longer extant.