Add back the ap_disable_nagle call in make_sock. However, this is a

performance enhancement only on platforms where turning off nagle is
inherited by accepted sockets.  Because this is not always true, in order
to have the disable_nagle call active, the macro DISABLE_NAGLE_INHERITED
must be defined.
PR:	6531


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@86441 13f79535-47bb-0310-9956-ffa450edef68