- Fix headers to include less or smaller header files.
- Fix header and source files to include missing header files to avoid
  warnings and errors.

diff --git a/include/ddraw.h b/include/ddraw.h
index fb973c4..5c568e0 100644
--- a/include/ddraw.h
+++ b/include/ddraw.h
@@ -6,7 +6,7 @@
 #include <X11/extensions/XShm.h>
 #endif /* defined(HAVE_LIBXXSHM) */
 
-#include "winbase.h" /* LARGE_INTEGER ... */
+#include "winnt.h" /* LARGE_INTEGER ... */
 #include "wingdi.h" /* PALETTE stuff ... */
 #include "wine/obj_base.h"