[PATCH] ddraw: Avoid leaking references to the wined3d device.

[Zebediah Figura]

Signed-off-by: Zebediah Figura 
---
The ddraw surfaces associated with backbuffers take a reference to the
wined3d device, but this was never released.

This patch was all but written by Henri Verbeet.

dlls/ddraw/surface.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/dlls/ddraw/surface.c b/dlls/ddraw/surface.c
index cb837b1..cf09f9c 100644
--- a/dlls/ddraw/surface.c
+++ b/dlls/ddraw/surface.c
@@ -527,7 +527,16 @@ static void ddraw_surface_cleanup(struct ddraw_surface *surface)
         surf = surface->complex_array[i];
         surface->complex_array[i] = NULL;
         if (!surf->is_complex_root)
+        {
+            struct ddraw_texture *texture = wined3d_texture_get_parent(surf->wined3d_texture);
+            struct wined3d_device *wined3d_device = texture->wined3d_device;
+            struct ddraw_surface *root = texture->root;
+
             ddraw_surface_cleanup(surf);
+
+            if (surf == root)
+                wined3d_device_decref(wined3d_device);
+        }
     }

if (surface->device1)