Split MODULE_MAGIC_NUMBER into _MAJOR/_MINOR numbers. This should

provide a way to trace API changes that add functionality but do
not create a compatibility issue for precompiled modules, etc.
Submitted by:	 Randy Terbush <randy@covalent.net>
Reviewed by:	Martin Kraemer, Jim Jagielski


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@81928 13f79535-47bb-0310-9956-ffa450edef68