Added two new core API functions, ap_single_module_configure() and

ap_single_module_init(), which are now used by mod_so to correctly
initialize a module after loading. This fixes a problem with unusable
handlers, for instance mod_perl's perl-script handler was not found
when mod_perl was loaded as a DSO, and the same applied to other
similar modules. Bumped MMN and added function names to ApacheCore.def.

Submitted by:	Ralf S. Engelschall
Reviewed by:	Roy Fielding, Lars Eilebrecht


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@82469 13f79535-47bb-0310-9956-ffa450edef68