Fix nasty compiler warnings under AIX 4.2 because there we need

NET_SIZE_T=size_t according to the include files and not NET_SIZE_T=int as the
manual pages of getsockname() etc. indicate.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@81061 13f79535-47bb-0310-9956-ffa450edef68