Cause Apache to die gracefully (instad of a likely seg fault) if a module

compiled under an older API version attempts to load.

Reviewed by: sameer@c2.net, rasmus@madhaus.utcs.utoronto.ca


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@76723 13f79535-47bb-0310-9956-ffa450edef68