fribidi

• Prefer the release .xz tarball over the .gz one:
  • the latter has a broken autotools build system that depends on c2man even if autoreconf was called
  • might switch to .gz when muon is ready
• Arch fixes compilation with gcc 15 using:

echo "cc='gcc -fpermissive -std=gnu17'" > c2man/config.sh`

• --disable-deprecated removes deprecated code and changes this in config.h:

/* Don't build deprecated functionality */
#define FRIBIDI_NO_DEPRECATED 1