Forgot to commit this part of the patch to add SharedModule support

to Configure. This updates the top-level Makefile to add any link
flags required to export global (API) functions.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@80110 13f79535-47bb-0310-9956-ffa450edef68