Reviewed by: Brian Behlendorf

Submitted by:	johnh@isi.edu

Added a SendBufferSize directive to the core, which allows one to adjust
the TCP buffer sizes to optimize for high-bandwidth, high-latency transfers
of large files.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@76965 13f79535-47bb-0310-9956-ffa450edef68