locker_pre=
if test x"$locker" = xxscreensaver; then
# Start xscreensaver if it's not already running. xscreensaver-command
- # ensures xscreensaver is availble for the current X session.
+ # ensures xscreensaver is available for the current X session.
locker_pre='xscreensaver-command -time >/dev/null 2>&1 || xscreensaver &'
locker='xscreensaver-command -lock'
elif test x"$locker" = xxtrlock; then