Bug in gnutls breaking Pidgin Jabber support

[Nikos Mavrogiannopoulos]

Tim Kosse wrote:
> Hi,
> 
> since my initial assumptions got invalidated, I no longer consider my
> earlier patch as a merely an ugly workaround but instead as a viable
> solution. I've attached an updated version of the patch. In addition to
> _gnutls_io_write_buffered, _gnutls_handshake_io_send_int is fixed as well.
> 
> Combined with the handshake patch I've previously mailed, I've been
> unable to reproduce any problems with GnuTLS in FileZilla.

I applied it, and added as well a test case for the EAGAIN case. That is
mini-egain.c in tests/ directory. Probably it does not fully check all
possibilities (i.e. sending less bytes), but still it is useful.

regards,
Nikos