wined3d: Properly check if input/output varyings are used.
[wine] / dlls / msacm32.drv /
drwxr-xr-x   ..
-rw-r--r-- 268 Makefile.in
-rw-r--r-- 225 msacm32.drv.spec
-rw-r--r-- 42733 wavemap.c