Include the same headers as on Windows.
[wine] / dlls / dplay /
drwxr-xr-x   ..
-rw-r--r-- 38 .cvsignore
-rw-r--r-- 220 Makefile.in
-rw-r--r-- 198 dplay.spec
-rw-r--r-- 23 dplay_main.c