Log Message:
xscreensaver: update to 6.05.1.

6.05	* X11: Cope with dumb DPMS settings that existed pre-startup.
	* X11: Silence new Perl warnings from `xscreensaver-getimage-file'.
	* X11: Fix `sonar' pthreads crash on recent Pi systems.
	* X11: Removed dependence on `gdk-pixbuf-xlib-2.0'.
	* X11: GTK 3 is now required.
	* macOS: Fixed the "Run savers on screens" preference in Random mode
          on multi-screen M1 systems.