Author :
Bogdan Harjoc
Date :
2018-08-09 13:04:52
Hash :3e6553a1 Message :evdns: handle NULL filename explicitly
Otherwise we will try to open NULL filename and got EFAULT and anyway
will got the same return code from evdns_base_resolv_conf_parse_impl()
Closes: #680 (cherry-picked)
Bogdan Harjoc