Added REMOTE_PORT to the environment variables set for scripts,

with the value being the client's TCP port.  This allows CGI scripts
to independently check the client's Ident (RFC 1413) without needing
IdentityCheck "On" for the whole server.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@76974 13f79535-47bb-0310-9956-ffa450edef68