shell32: Fix initial reference count for a new IAutoComplete instance.

dlls/shell32/autocomplete.c

@@ -121,6 +121,7 @@ static void create_listbox(IAutoCompleteImpl *This)
 HRESULT WINAPI IAutoComplete_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv)
 {
     IAutoCompleteImpl *lpac;
+    HRESULT hr;
 
     if (pUnkOuter && !IsEqualIID (riid, &IID_IUnknown))
         return CLASS_E_NOAGGREGATION;
@@ -133,21 +134,14 @@ HRESULT WINAPI IAutoComplete_Constructor(IUnknown * pUnkOuter, REFIID riid, LPVO
     lpac->lpVtbl = &acvt;
     lpac->lpDropDownVtbl = &acdropdownvt;
     lpac->enabled = TRUE;
-    lpac->enumstr = NULL;
     lpac->options = ACO_AUTOAPPEND;
-    lpac->wpOrigEditProc = NULL;
-    lpac->hwndListBox = NULL;
-    lpac->txtbackup = NULL;
-    lpac->quickComplete = NULL;
 
-    if (FAILED (IUnknown_QueryInterface (_IUnknown_ (lpac), riid, ppv))) {
-	IUnknown_Release (_IUnknown_ (lpac));
-	return E_NOINTERFACE;
-    }
+    hr = IUnknown_QueryInterface(_IUnknown_ (lpac), riid, ppv);
+    IUnknown_Release(_IUnknown_ (lpac));
 
     TRACE("-- (%p)->\n",lpac);
 
-    return S_OK;
+    return hr;
 }
 
 /**************************************************************************