maintainer-feedback requested: [Bug 261331] devel/boost-libs: consumers of boost/asio fail to build with latest libressl 3.4.2

Bugzilla Automation <bugzilla@FreeBSD.org> has asked FreeBSD Office Team
<office@FreeBSD.org> for maintainer-feedback:
Bug 261331: devel/boost-libs: consumers of boost/asio fail to build with latest
libressl 3.4.2
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=261331



--- Description ---
With the latest LibreSSL, compiling software using boost/asio for ssl gives
build errors like this:

---
In file included from /usr/local/include/boost/asio/ssl.hpp:18:
In file included from /usr/local/include/boost/asio/ssl/context.hpp:757:
/usr/local/include/boost/asio/ssl/impl/context.ipp:395:32: error: member access
into incomplete type 'SSL_CTX' (aka 'ssl_ctx_st')
    void* cb_userdata = handle_->default_passwd_callback_userdata;
			       ^
---

The attached patch fixes this for me.