[PATCH] winemac: Fix macdrv_WindowPosChanged behavior when SWP_HIDEWINDOW flag is used.

[Piotr Caban]

In this case surface points to dummy surface or NULL. Later e.g. set_window_surface assumes that it was created by Mac driver.

Signed-off-by: Piotr Caban 
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dlls/winemac.drv/window.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)