BUG 9436: Fix leaking sockets of SMB connections to a DC.
As this is a burst of 3 unbound sockets with each try to reach a DC
we're running out of file descriptors pretty fast. So winbind is then
mostly spinning in an accept loop failing with EMFILE.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jim McDonough <jmcd@samba.org>
Autobuild-User(master): Jim McDonough <jmcd@samba.org>
Autobuild-Date(master): Wed Nov 28 17:17:21 CET 2012 on sn-devel-104
(cherry picked from commit
1106ca59eea9fe5d95a1098c84f77c9e6108659f)