Improve platform detection for bundled PCRE by updating config.guess
and config.sub.

Submitted by: rjung
Reviewed by: wrowe, humbedooh


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.0.x@1469717 13f79535-47bb-0310-9956-ffa450edef68