Fix to bug 25504 for gnutls based schannel

[Hans Leidekker]

On Mon, 2011-04-18 at 10:36 +0200, Marcus Meissner wrote:
> On Mon, Apr 18, 2011 at 10:04:08AM +0200, Hans Leidekker wrote:
> > On Sun, 2011-04-17 at 09:42 -0400, jbalentine at tuffmail.com wrote:
> > >  #ifdef SONAME_LIBGNUTLS
> > >  #include <gnutls/gnutls.h>
> > > +#include <gcrypt.h>
> > > +#include <pthread.h>
> > > +#include <errno.h>
> > > +GCRY_THREAD_OPTION_PTHREAD_IMPL; 
> > 
> > You should add a separate configure check for libgcrypt. Use of pthreads
> > reveals an implementation detail of Wine threads, I think it would be
> > cleaner to supply Win32 implementations of the locking functions via
> > GCRY_THREAD_OPTION_USER.
> 
> I also wonder why libgcrypt is now needed, where this dll is using libgnutls?

Yes, if there's a way to set the locking functions via gnutls then we
wouldn't need to load libgcrypt.