packages/xscreensaver: add hash file

Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/xscreensaver/xscreensaver.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256 47b703ed22dce46a08f11ddd7d67d52e4f7ad8df844bdf956431069a0db36797 xscreensaver-5.22.tar.gz