Add Content-Length header to mimic official pulse client
Add Content-Length header to mimic official pulse client

The official pulse client sends in a fixed "Content-Length: 256" header
with these two HTTP requests. Some versions of the VPN server will
reject requests with an HTTP 400 error if they do not have this header.

Signed-off-by: Jon DeVree <66a857b1cbf4b75f0645f3a736a6a0823de8d22a@vault24.org>
Signed-off-by: David Woodhouse <b460d66aaf00c296a3db1c1d9eeafc081d5f7d70@intel.com>

nmav/openconnect-mine,nmav/openconnect-mine,nmav/openconnect-mine,mtmiller/openconnect,cernekee/openconnect,brandt/openconnect,cernekee/openconnect,cernekee/openconnect,mtmiller/openconnect,cernekee/openconnect,nmav/openconnect-mine,brandt/openconnect,brandt/openconnect,brandt/openconnect,mtmiller/openconnect,mtmiller/openconnect