valgrind-devel @3.14.0-r2017-11-21: fails to install because git repository no longer has commit

[jpwhiting (Jeremy Whiting)]

When trying to install valgrind-devel here on macos 10.13.3 I get the following failure in the valgrind-devel.log file:

:debug:fetch Executing: /usr/bin/git clone --progress http://sourceware.org/git/valgrind.git /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_valgrind/valgrind-devel/work/valgrind-3.14.0-r2017-11-21 2>&1
:debug:fetch system: /usr/bin/git clone --progress http://sourceware.org/git/valgrind.git /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_valgrind/valgrind-devel/work/valgrind-3.14.0-r2017-11-21 2>&1
:info:fetch Cloning into '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_valgrind/valgrind-devel/work/valgrind-3.14.0-r2017-11-21'...
:info:fetch error: Failed to connect to sourceware.org port 80: Operation timed out (curl_result = 7, http_code = 0, sha1 = 5cc37e7df89765908efbd1edca9753c3ba97c647)
:info:fetch error: Unable to find e9fefacc2cd8458d3c2afa4364e9fdde2cfa9589 under http://sourceware.org/git/valgrind.git
:info:fetch Cannot obtain needed blob e9fefacc2cd8458d3c2afa4364e9fdde2cfa9589
:info:fetch while processing commit dc0ca811ecc91d6180656438753d86c9b4a6d2f7.
:info:fetch error: fetch failed.
:info:fetch Command failed: /usr/bin/git clone --progress http://sourceware.org/git/valgrind.git /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_valgrind/valgrind-devel/work/valgrind-3.14.0-r2017-11-21 2>&1
:info:fetch Exit code: 128
:error:fetch Failed to fetch valgrind-devel: Git clone failed
:debug:fetch Error code: NONE
:debug:fetch Backtrace: Git clone failed
:debug:fetch     while executing
:debug:fetch "gitfetch"
:debug:fetch     (procedure "portfetch::fetch_main" line 14)
:debug:fetch     invoked from within
:debug:fetch "$procedure $targetname"
:error:fetch See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_valgrind/valgrind-devel/main.log for details.