sx: use cgroup.procs instead of tasks
sx: use cgroup.procs instead of tasks

As of Linux commit f12dc020149fad7087e119e54cffea668272bf7d, the 'tasks'
cgroup attribute doesn't work anymore... not that it really worked as
intended in the first place.

grawity/hacks,grawity/hacks,grawity/hacks,grawity/hacks,grawity/hacks,grawity/hacks,grawity/hacks