Convert string from utf8 to make VS happy
Convert string from utf8 to make VS happy

Change-Id: I5cc2c3d0ffe237c6c0bf3f7ef37d28e08c2fd02e
Reviewed-by: Kurt Pattyn <da83d6ada5df79ff647b4271d0d788c6f1bafca2@gmail.com>

pixty/qtwebsockets,pixty/qtwebsockets,remimixlr/QtWebsocket,SfietKonstantin/qtwebsockets