Fixed segfault on configuration testing with ssl (ticket #37).
Fixed segfault on configuration testing with ssl (ticket #37).

The following config caused segmentation fault due to conf->file not
being properly set if "ssl on" was inherited from the http level:

http {
    ssl on;
    server {
    }
}

firebase/nginx,hy0kl/nginx,hy0kl/nginx,firebase/nginx,firebase/nginx,hy0kl/nginx,firebase/nginx