Mail: fixed segfault with ssl/starttls at mail{} level and no cert.

A configuration like "mail { starttls on; server {}}" triggered NULL
pointer dereference in ngx_mail_ssl_merge_conf() as conf->file was not set.
1 file changed
tree: 9aef3e1e2f31c431ffc30b5d2ed66ac71033c07d
  1. auto/
  2. conf/
  3. contrib/
  4. docs/
  5. misc/
  6. src/
  7. .hgtags