Make top-level Makefile aware of a parallel build procedures (make -j) by

making sure the src/support/ tools are _forced_ to be build last (they depend
on other libraries).

Submitted by: Markus Theissinger <markus.theissinger@gmx.de>
Reviewed by: Ralf S. Engelschall


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@82574 13f79535-47bb-0310-9956-ffa450edef68