Fix bug that collaborators are able to modify settings of repository

templates/repo/toolbar.tmpl

@@ -35,7 +35,7 @@
                             <li><a href="#">Pulse</a></li>
                             <li><a href="#">Network</a></li>
                         </ul>
-                    </li> -->{{end}}{{if .IsRepositoryOwner}}
+                    </li> -->{{end}}{{if .IsRepositoryTrueOwner}}
                     <li class="{{if .IsRepoToolbarSetting}}active{{end}}"><a href="{{.RepoLink}}/settings">Settings</a>
                     </li>{{end}}
                 </ul>