Search for OpenSSL in the "standard locations" .../include and .../lib

which are ubiquitous after openSSL's "make install". The old logic relied
on a common directory for both include files and libraries (very non-standard).

Submitted by:	Clere Jean-Frederic <JFrederic.Clere@fujitsu-siemens.com>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@88944 13f79535-47bb-0310-9956-ffa450edef68