gthr-win32.h (__UNUSED_PARAM): Define, if not already present.

gthr-win32.h (__UNUSED_PARAM): Define, if not already present.

2009-08-25  Kai Tietz  <kai.tietz@onevision.com>

        * gcc/gthr-win32.h (__UNUSED_PARAM): Define, if not already present.
        (__gthread_objc_condition_allocate): Mark arguments as unused.
        (__gthread_objc_condition_deallocate): Likewise.
        (__gthread_objc_condition_wait): Likewise.
        (__gthread_objc_condition_broadcast): Likewise.
        (__gthread_objc_condition_signal): Likewise.
        (__gthread_objc_thread_detach): Cast via INT_PTR to pointer.
        (__gthread_objc_thread_id): Likewise.

From-SVN: r151077