Selectmenu: Fix whitespace (trailing ws on 1 line) and lint issues (unused variables)

Author: jzaefferer

tests/unit/selectmenu/selectmenu_core.js

@@ -91,7 +91,6 @@ $.each([
 			element = $( settings.selector ).selectmenu(),
 			button = element.selectmenu( "widget" ),
 			menu = element.selectmenu( "menuWidget" ),
-			selected = element.find( "option:selected" ),
 			options = element.find( "option" );
 
 		// init menu

tests/unit/selectmenu/selectmenu_methods.js

@@ -72,7 +72,6 @@ test( "refresh - change selected option", function () {
 	expect( 3 );
 
 	var element = $( "#speed" ).selectmenu(),
-		menu = element.selectmenu( "menuWidget" ).parent(),
 		button = element.selectmenu( "widget" );
 
 	equal( element.find( "option:selected" ).text(), button.text(), "button text after init" );

ui/jquery.ui.selectmenu.js

@@ -374,7 +374,7 @@ $.widget( "ui.selectmenu", {
 	_setAria: function( item ) {
 		var link = this.menuItems.eq( item.index ),
 			id = link.attr( "id" );
-	
+
 		// change ARIA attr
 		this.menuItems.attr( "aria-selected", false );
 		link.attr( "aria-selected", true );