UT / clsync

Related: https://github.com/xaionaro/clsync/issues/124

Fixes: https://github.com/xaionaro/clsync/issues/122

Bug descritpion: The privileged helper process cannot die while
pthread_cond_wait().

Note: fixed, but not fully tested (it's hard to repeat the bug).

Conflicts:
	debian/clsync-doc.install
	debian/control
	debian/libclsync0.install
	man/man1/clsync.1

Closed the issue and updated the manpage

…"--enable-seccomp", "--with-capabilities" -> "--enable-capabilities"

Thanks for the bugreport to: Andrew A Savchenko <bircoph@gentoo.org>

Fix of https://github.com/xaionaro/clsync/issues/104

privileged.c:1059:35: error: ‘sigset_old’ undeclared (first use in this function)
privileged.c:1059:35: note: each undeclared identifier is reported only once for each function it appears in

privileged.c: In function ‘privileged_init’:
privileged.c:1279:36: error: ‘__privileged_clsync_cgroup_deinit’ undeclared (first use in this function)
  _privileged_clsync_cgroup_deinit= __privileged_clsync_cgroup_deinit;

privileged.c:853:80: error: ‘hl_lock_enabled’ undeclared (first use in this function)

privileged.c:826:14: error: ‘HLLOCK_HANDLER’ undeclared (first use in this function)
  hl_shutdown(HLLOCK_HANDLER);

* Using of MODE "so" for benchmarking
* Fixed hl_lock_tries[%i] debug info on deinit
* Fixed extra iteration on --max-iterations -Mso --have-recursive-sync