Windows 2000 does not always zerofill data if you are using heap_zero fill. to be 100% sure everything are zero fill, we need zerofil the whole object before instate

Modified: trunk/reactos/lib/ddraw/main.c

--- trunk/reactos/lib/ddraw/main.c	2005-08-10 18:09:44 UTC (rev 17262)
+++ trunk/reactos/lib/ddraw/main.c	2005-08-10 18:10:45 UTC (rev 17263)
@@ -21,6 +21,8 @@

 	if (This == NULL) 
 		return E_OUTOFMEMORY;
 

+	ZeroMemory(This,sizeof(IDirectDrawImpl));
+

 	This->lpVtbl = &DirectDraw_VTable;
 	This->ref = 1;
 	*pIface = (LPDIRECTDRAW)This;