package/xscreensaver: fix hash
When bumping to version 5.43, an incorrect hash was set
Fixes:
- http://autobuild.buildroot.org/results/029ab289021edaf9820b47846e5d107cab6f3e28
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>