msxml3: Return S_FALSE in getNamedItem() of PI node.

dlls/msxml3/pi.c

@@ -685,7 +685,9 @@ static HRESULT dom_pi_get_qualified_item(const xmlNodePtr node, BSTR name, BSTR
 static HRESULT dom_pi_get_named_item(const xmlNodePtr node, BSTR name, IXMLDOMNode **item)
 {
     FIXME("(%p)->(%s %p): stub\n", node, debugstr_w(name), item );
-    return E_NOTIMPL;
+    if (item)
+        *item = NULL;
+    return S_FALSE;
 }
 
 static HRESULT dom_pi_set_named_item(xmlNodePtr node, IXMLDOMNode *newItem, IXMLDOMNode **namedItem)

dlls/msxml3/tests/domdoc.c

@@ -9152,6 +9152,11 @@ static void test_get_attributes(void)
     hr = IXMLDOMNode_get_attributes(node, &map);
     ok(hr == S_OK, "got %08x\n", hr);
 
+    node2 = (void*)0xdeadbeef;
+    hr = IXMLDOMNamedNodeMap_getNamedItem(map, _bstr_("attr"), &node2);
+    ok(hr == S_FALSE, "got %08x\n", hr);
+    ok(node2 == NULL, "got %p\n", node2);
+
     length = -1;
     hr = IXMLDOMNamedNodeMap_get_length(map, &length);
     EXPECT_HR(hr, S_OK);