This update for usbguard fixes the following issues:

- disable system call filtering in systemd service file for Leap 15.X (boo#1173750)

- update to 0.7.8
  + Fixed segfaults with rules.d feature
  + Added readwritepath to service file
  + Added match-all keyword to rules language
  + Added rules.d feature: daemon can load multiple rule files from rules.d/
  + Included with-connect-type in dbus signal
  + Fixed sigwaitinfo handling
  + Fixed possible data corruption on stack with appendRule via dbus
  + Fixed ENOBUFS errno handling on netlink socket: daemon can survive and wait until socket is readable again
  + Dropped unused PIDFile from service file
  + Dropped deprecated dbus-glib dependency

This update was imported from the openSUSE:Leap:15.2:Update update project.