[ANNOUNCE] libxkbcommon 0.8.4

[Ran Benita]

This is a small patch release to fix a couple of build issues.

libxkbcommon 0.8.4
==================

- Fix build of xkbcommon-x11 static library with meson.

- Fix building using meson from the tarball generated by autotools.


Tarball:
--------

git tag: xkbcommon-0.8.4

https://xkbcommon.org/download/libxkbcommon-0.8.4.tar.xz
MD5:    3c4409058dfd203f641a563358e0187d  libxkbcommon-0.8.4.tar.xz
SHA1:   0ce9df42239d451f61b2112c6ba8d0a1a0879009  libxkbcommon-0.8.4.tar.xz
SHA256: 60ddcff932b7fd352752d51a5c4f04f3d0403230a584df9a2e0d5ed87c486c8b  libxkbcommon-0.8.4.tar.xz

Ran