tests/net-accept-connect.c: use libtests
tests/net-accept-connect.c: use libtests

* tests/net-accept-connect.c (main): Use perror_msg_and_skip
and perror_msg_and_fail.

Saruta/strace,cuviper/strace,cuviper/strace,cuviper/strace,Saruta/strace,cuviper/strace,Saruta/strace,Saruta/strace,cuviper/strace,Saruta/strace