disable win32 in nginx-1.27.1-proc_exit_handler.patch.

bumped version to 1.21.4.4.

bumped version to 1.19.9.2.

formal release 1.25.3.2.

formal release 1.25.3.1. (#952)

bumped version to 1.21.4.3.

bumped ngx_lua to 0.10.25, lua-resty-core to 0.1.27.

bumped version to 1.21.4.2.

bugfix: dist-check: avoid killall nginx.

bumped version to 1.21.4.1. (#832)

bumped version to 1.21.4.1rc3. (#828)