Created a small static library in ole/libuuid.a that contains all the
UUID definitions (with the help of Francois Gouget).

diff --git a/include/dplay.h b/include/dplay.h
index 1d409aa..e22da01 100644
--- a/include/dplay.h
+++ b/include/dplay.h
@@ -352,7 +352,10 @@
     DWORD       dwMinorVersion, /* Minor # of driver spec in lpguidSP */ 
     LPVOID      lpContext);     /* User given */
 
-typedef const GUID   *LPCGUID;
+#ifndef __LPCGUID_DEFINED__
+#define __LPCGUID_DEFINED__
+typedef const GUID *LPCGUID;
+#endif
 
 typedef const DPNAME *LPCDPNAME;