ole32: CreateBindCtx should fail if reserved parameter is not zero.

dlls/ole32/bindctx.c

@@ -536,6 +536,14 @@ HRESULT WINAPI CreateBindCtx(DWORD reserved, LPBC * ppbc)
 
     TRACE("(%d,%p)\n",reserved,ppbc);
 
+    *ppbc = NULL;
+
+    if (reserved != 0)
+    {
+        ERR("reserved should be 0, not 0x%x\n", reserved);
+        return E_INVALIDARG;
+    }
+
     newBindCtx = HeapAlloc(GetProcessHeap(), 0, sizeof(BindCtxImpl));
     if (newBindCtx == 0)
         return E_OUTOFMEMORY;

dlls/ole32/tests/moniker.c

@@ -1448,7 +1448,6 @@ static void test_bind_context(void)
     static const WCHAR wszParamName[] = {'G','e','m','m','a',0};
 
     hr = CreateBindCtx(0xdeadbeef, &pBindCtx);
-    todo_wine
     ok(hr == E_INVALIDARG, "CreateBindCtx with reserved value non-zero should have returned E_INVALIDARG instead of 0x%08x\n", hr);
 
     hr = CreateBindCtx(0, &pBindCtx);