* New upstream snapshot, very close to upstream 5.2 release.
    - control: Build-Depend on pkg-config
    - brltty-udeb.udev.rules: Update autostart rules with newer devices.
    - patches/30-format-security.patch, 60-fix-man-install.patch,
      70-fs-hang-fix.patch, 80-kfreebsd.patch, 90-zh-lang-fix.patch: Remove,
      merged upstream
    - rules: Fix table and help paths.
  * rules: Fix passing CL_DATE to sed (Closes: #708585).
  * brltty-udeb.prebaseconfig: Fix auto-starting at-spi and orca in XFCE and
    LXDE.