libgit2/libgit2 — pull request #901 by carlosmn (2012-08-27 14:50:02+00:00)
Title: http: use WinHTTP on Windows

Wondows has its own HTTP library. Use that one when possible instead of
our own.

As we don't depend on them anymore, remove the http-parser library from
the Windows build, as well as the search for OpenSSL.