msxml3: Fix response text conversion to WCHAR string.

dlls/msxml3/httprequest.c

@@ -865,7 +865,11 @@ static HRESULT WINAPI httprequest_get_responseText(IXMLHTTPRequest *iface, BSTR
         if (encoding == XML_CHAR_ENCODING_UTF8 ||
             encoding == XML_CHAR_ENCODING_NONE )
         {
-            *body = bstr_from_xmlChar(ptr);
+            DWORD length = MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)ptr, size, NULL, 0);
+
+            *body = SysAllocStringLen(NULL, length);
+            if (*body)
+                MultiByteToWideChar( CP_UTF8, 0, (LPCSTR)ptr, size, *body, length);
         }
         else
             *body = SysAllocStringByteLen((LPCSTR)ptr, size);

dlls/msxml3/tests/domdoc.c

@@ -3354,7 +3354,7 @@ if (0)
      * not what the server expects */
     if(hr == S_OK)
     {
-        todo_wine ok(!memcmp(bstrResponse, wszExpectedResponse, sizeof(wszExpectedResponse)),
+        ok(!memcmp(bstrResponse, wszExpectedResponse, sizeof(wszExpectedResponse)),
             "expected %s, got %s\n", wine_dbgstr_w(wszExpectedResponse), wine_dbgstr_w(bstrResponse));
         SysFreeString(bstrResponse);
     }