gallium/aux/os/os_thread.h: Silence -Wunused-param.

With --disable-debug a parameter is not used. Silence this
warning by fake-using it.

Signed-off-by: Gert Wollny <gw.fossdev@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>

diff --git a/src/gallium/auxiliary/os/os_thread.h b/src/gallium/auxiliary/os/os_thread.h
index d9c685922a5e05e4c84a74d6771d36c3f888f4e0..f2629c5ffe592a44e45995566d437c06417203c5 100644 (file)
--- a/src/gallium/auxiliary/os/os_thread.h
+++ b/src/gallium/auxiliary/os/os_thread.h
@@ -56,6 +56,8 @@ __pipe_mutex_assert_locked(mtx_t *mutex)
    assert(ret == thrd_busy);
    if (ret == thrd_success)
       mtx_unlock(mutex);
+#else
+   (void)mutex;
 #endif
 }