wordpress-3.8-dashicons.php

function flexslider_hg_admin_icon()
{
	echo '
		<style> 
			/*
			Selectors:
			1. Admin Menu
			2. "Site Content" Dashboard Widget (Post Types only)
			*/
			#adminmenu #menu-posts-slides div.wp-menu-image:before,
			#dash-right-now li.{post_type}-count a:before {
				content: "\f181";
			}
		</style>
	';	
}
add_action( 'admin_head', 'flexslider_hg_admin_icon' );