Update from 1.19.7 to 1.19.8.
Add the vendor's patch to build mail module without SSL support.

<Changelog>

*) Feature: flags in the "proxy_cookie_flags" directive can now contain

variables.

*) Feature: the "proxy_protocol" parameter of the "listen" directive,

the "proxy_protocol" and "set_real_ip_from" directives in mail proxy.

*) Bugfix: HTTP/2 connections were immediately closed when using

"keepalive_timeout 0"; the bug had appeared in 1.19.7.

*) Bugfix: some errors were logged as unknown if nginx was built with

glibc 2.32.

*) Bugfix: in the eventport method.

</Changelog>