Merge r574884 from trunk:

Resolve storage of process-lifespan version strings for OpenSSL,
while using request-lifespan copies for manipulation.

Reviewed by RPleum, ZHar'El


Submitted by: wrowe
Reviewed by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.0.x@575287 13f79535-47bb-0310-9956-ffa450edef68