OS/2: Fix linkage to ap_strtol() by making it a macro like on Win32. Modules

were failing to build because ap_strtol() wasn't being exported from the core.
This makes it unnecessary.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@95770 13f79535-47bb-0310-9956-ffa450edef68