Backport of change made to HEAD:

"Per Greg's request, add a version string component to the ap_provider.h
 functions.  This allows modules to register different versions of the
 same provider."

Reviewed by:	Will Rowe


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/APACHE_2_0_BRANCH@97697 13f79535-47bb-0310-9956-ffa450edef68