Log Message:
(pkgsrc) Update HOMEPAGE and MASTER_SITES
(upstream) Update xdx from 2.4.2 to 2.4.3
  Changelog for version Xdx (2.4.3)
  * Apply Debian patch from bug #577377.
  * Bring build system up to date for later versions of Autotools.
  * Do not track any build system generated files in Git VCS.
  * Modify source as needed for clean build with Gtk+ 2.24.
  * New upstream maintainer, Nate Bargmann, N0NB <n0nb@n0nb.us>
  * Development hosted at https://github.com/N0NB/xdx
  * Portuguese translation update from David, CT1DRB
  * Add support to load updated country file using command line option,
    environment variable, or placing cty.dat in the preferences directory.
  * Fix URI handling for GTK+ 2.24 and later.
  * Disable function keys for this release.