apxs should be using sbindir not bindir for the path to the httpd binary.

Committed with some minor changes.
Submitted by:	GOMEZ Henri <hgomez@slib.fr>
Reviewed by:	Justin Erenkrantz


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@92057 13f79535-47bb-0310-9956-ffa450edef68