Merge r630858 from trunk:

* modules/ssl/ssl_engine_init.c (ssl_init_FindCAList): Cast return
value of sk_X509_NAME_set_cmp_func to void, to avoid warnings with
recent version of OpenSSL.

Submitted by: jorton
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@804708 13f79535-47bb-0310-9956-ffa450edef68