wined3d: Only copy the depth buffer if there is one.
[wine] / dlls / vwin32.vxd /
drwxr-xr-x   ..
-rw-r--r-- 253 Makefile.in
-rw-r--r-- 7353 vwin32.c
-rw-r--r-- 124 vwin32.vxd.spec