Fix the $colorbackvmenu2 was removed with 3.8

htdocs/theme/eldy/style.css.php

@@ -1135,7 +1135,7 @@ div.blockvmenusearch
     padding-top: 3px;
     padding-bottom: 3px;
     margin: 1px 0px 8px 2px;
-	background: rgb(<?php echo $colorbackvmenu2; ?>);
+	background: rgb(<?php echo $colorbackvmenu1; ?>);
 
     border-left: 1px solid #AAA;
     border-right: 1px solid #CCC;