Comments
Remove HASH from matching priorities

We deprecated FC_HASH, so doesn't make sense to sort on it.
Fixup previous commit
Fix a gcc warning

test-migration.c:17:5: warning: pointer targets in passing argument 1 of 'FcStrDirname' differ in signedness
Update mingw32 MemoryBarrier from HarfBuzz

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=81228