Log Message:
xscreensaver*: update to 5.39

5.39    * New hacks, 'razzledazzle', 'peepers', 'crumbler' and `maze3d'.
        * More heuristics for using RSS feeds as image sources.
        * Android: Image loading works.
        * Built-in image assets are now PNG instead of XPM or XBM.
        * X11: Better font-loading fallback heuristics on systems with a
          terrible selection of installed fonts.
        * macOS: Retina display-related bug fixes.

5.38    * New hack, 'esper'.
        * macOS: Support for Retina displays.
        * X11: `webcollage' now works with ImageMagick instead of with
          pbmtools if `webcollage-helper' is not installed.
        * 'bsod' now accepts Dunning-Krugerrands.
        * Android: These hacks work now: 'anemone', 'anemotaxis', 'atlantis',
          'bouboule', 'celtic', 'compass', 'crackberg', 'epicycle',
          'fuzzyflakes', 'goop', 'kumppa' 'munch', 'pacman', 'polyominoes',
          'slip'.
        * Android: Thick lines work better for: 'anemone', 'anemotaxis',
          'celtic', 'compass', 'deluxe', 'epicycle', 'fuzzyflakes', 'pacman'
        * Android: Assorted performance improvements, especially for 'kumppa'
          and 'slip'.
        * Android TV: Daydreams work.
        * iOS: Tweaks for iPhone X.
        * Lots of xlockmore-derived hacks now have animated erase routines.
        * 'crystal' works properly on non-X11 systems.
        * 'm6502' now includes 'texture.asm'.
        * X11: Try harder to find sensible fonts for the password dialog.