* modules/ssl/ssl_engine_init.c (ssl_init_proxy_certs): Fix test for

  missing decrypted private keys, and ensure that the keypair matches.

PR: 52212
Submitted by: Keith Burdis <keith burdis.org>, jorton


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1374214 13f79535-47bb-0310-9956-ffa450edef68