First problem: if a client sends a Host: header with a different case than

"Host:", the proxy won't see it and it will end up with two Host: headers
with different capitalization.

Second problem: if the proxy connects to a HTTP/0.9 server, the
first line returned will be corrupt because len was tampered with.

Reviewed by:	Marc Slemko, Dean Gaudet, Randy Terbush
Submitted by:	Kenichi Hori <ken@d2.bs1.fc.nec.co.jp>
PR:		813, 814


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3@78698 13f79535-47bb-0310-9956-ffa450edef68