[nginx] Events: fixed handling zero-length client address.

details: https://hg.nginx.org/nginx/rev/8af6dceeb648 branches: stable-1.14 changeset: 7408:8af6dceeb648 user: Roman Arutyunyan date: Fri Jun 01 16:53:02 2018 +0300 description: Events: fixed handling zero-length client address. On Linux recvmsg() syscall may return a zero-length

[nginx] Events: fixed handling zero-length client address.

details: http://hg.nginx.org/nginx/rev/d0b897c0bb5b branches: changeset: 7283:d0b897c0bb5b user: Roman Arutyunyan date: Fri Jun 01 16:53:02 2018 +0300 description: Events: fixed handling zero-length client address. On Linux recvmsg() syscall may return a zero-length client address