Fix the longstanding bug that errors (returned by src/Configure)

would not be noticed by the top level configure script.
That was bad for automated production environments, as errors would
go thru unnoticed, and caused havoc much later in the production.

Reviewed by:	Jim Jagielski


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@93219 13f79535-47bb-0310-9956-ffa450edef68