[nc6/f20] (4 commits) ...Close sockets after the client disconnects (#1161432)

[Petr Šabata]

Summary of changes:

  8dda89c... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass (*)
  77b817b... Fix FTBFS with the current autoconf (*)
  b670ebe... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_M (*)
  27c09e2... Close sockets after the client disconnects (#1161432) (*)

(*) This commit already existed in another branch; no separate mail sent