include: Define sigset_t in pthread.h if HAVE_SIGSET_T isn't defined.

[Paul Vriens]

Rob Shearman wrote:
> ---
>  include/wine/pthread.h |    5 +++++
>  1 files changed, 5 insertions(+), 0 deletions(-)
> 
> 
> ------------------------------------------------------------------------
> 
> 
Hi Rob,

MingW has it's own definition of sigset_t (include/sys/types.h) which conflicts 
with this.

Do we need to guard the definition in pthread.h with a "!defined(__MINGW32__)" 
or is this something that needs to be fixed on the MingW side.

(Maybe change our configure?)

-- 
Cheers,

Paul.