Do not dump external sockets, that are not peers
for some processes sockets. We do not use them on
restore ==> we do not need to dump them.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>

 criu/sk-unix.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>