Add support for HTTP/1.1 name-based virtual hosts.  Also, use asprintf(3) when creating the request string, as the length of a path is defined as unlimited by the standard and limiting the total request to 4K is awfully arbitrary.
Add support for HTTP/1.1 name-based virtual hosts.  Also, use
asprintf(3) when creating the request string, as the length of
a path is defined as unlimited by the standard and limiting the
total request to 4K is awfully arbitrary.

PR:		30054
Submitted by:	Joseph Mallett <jmallett@xMach.org>
MFC after:	8 days

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase