chunked-encoding with Content-Length: header problem

                                  Changelog

Daniel Stenberg (23 Mar 2010)

- Akos Pasztory filed debian bug report #572276

  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=572276 mentioning a problem

  with a resource that returns chunked-encoded _and_ with a Content-Length

  and libcurl failed to properly ignore the latter information.

- Hauke Duden provided an example program that made the multi interface crash.

  His example simply used the multi interface and did first one FTP transfer

  and after completion it used a second easy handle and did another FTP

 o SSL possible double free when reusing curl handle

 o alarm()-based DNS timeout bug

 o re-used FTP connection multi interface crash

 o chunked-encoding with Content-Length: header problem

This release includes the following known bugs:

 Steven M. Schweda, Yang Tse, Jack Zhang, Tom Donovan, Martin Hager,

 Daniel Fandrich, Patrick Monnerat, Pat Ray, Wesley Miaw, Ben Greear,

 Ryan Chan, Markus Duft, Andrei Benea, Jacob Moshenko, Daniel Johnson,

 Constantine Sapuntzakis, Douglas Steinwand, Thomas Lopatic, Hauke Duden

 Constantine Sapuntzakis, Douglas Steinwand, Thomas Lopatic, Hauke Duden,

 Akos Pasztory

        Thanks! (and sorry if I forgot to mention someone)

             using chunked Transfer-Encoding.

          */

          if(k->chunk)

            k->size=-1;

            k->maxdownload = k->size = -1;

        }

        if(-1 != k->size) {

          /* We do this operation even if no_body is true, since this