Fix each() deprecated PHP function in WordPress

From this: while($dir=each($handle)) {

to this: foreach($handle as $dir) {

Warning: Please note that if your plugin or theme is by a third-party who has updates, any updates will remove your fixes. Please notify the plugin author or theme author rather than making these changes yourself.

See also:

• Fix PHP error “Methods with same name as their class will not be constructors”
• Fix create_function() deprecated PHP function in WordPress
• Fix PHP error “called constructor method for WP_Widget… deprecated”