Void function expects an expression in menu toggle

issue7800
review66461003

index.html

@@ -48,7 +48,7 @@ this repository contains the full copyright notices and license terms. -->
                         data-toggle="collapse" data-target="#main_navbar">
                         <span class="caret"></span>
                     </button>
-                    <a class="navbar-brand" href="javascript:void()" data-toggle="offcanvas">
+                    <a class="navbar-brand" href="javascript:void(0)" data-toggle="offcanvas">
                         <img class="icon" style="display:inline;" src="images/tryton-menu.svg"></img>
                         <span id="title">Tryton</span>
                     </a>