ddraw/tests: Fix a test that fails on Win2k.

dlls/ddraw/tests/ddrawmodes.c

@@ -665,9 +665,10 @@ static void testddraw7(void)
     {
          dddi2Bytes = FIELD_OFFSET(DDDEVICEIDENTIFIER2, dwWHQLLevel) + sizeof(DWORD);
 
-         pdddi2 = HeapAlloc( GetProcessHeap(), 0, dddi2Bytes + sizeof(DWORD) );
+         pdddi2 = HeapAlloc( GetProcessHeap(), 0, dddi2Bytes + 2*sizeof(DWORD) );
          pend = (DWORD *)((char *)pdddi2 + dddi2Bytes);
-         *pend = 0xdeadbeef;
+         pend[0] = 0xdeadbeef;
+         pend[1] = 0xdeadbeef;
 
          hr = IDirectDraw7_GetDeviceIdentifier(dd7, pdddi2, 0);
          ok(hr==DD_OK, "get device identifier failed with %08x\n", hr);
@@ -678,7 +679,9 @@ static void testddraw7(void)
              ok(pdddi2->szDriver[MAX_DDDEVICEID_STRING - 1]==0, "szDriver not cleared\n");
              ok(pdddi2->szDescription[MAX_DDDEVICEID_STRING - 1]==0, "szDescription not cleared\n");
              /* verify that 8 byte structure size alignment will not overwrite memory */
-             ok(*pend==0xdeadbeef, "memory beyond DDDEVICEIDENTIFIER2 overwritten\n");
+             ok(pend[0]==0xdeadbeef || broken(pend[0] != 0xdeadbeef), /* win2k */
+                "memory beyond DDDEVICEIDENTIFIER2 overwritten\n");
+             ok(pend[1]==0xdeadbeef, "memory beyond DDDEVICEIDENTIFIER2 overwritten\n");
          }
 
          IDirectDraw_Release(dd7);