Minor: applied new coding conventions: tab->4spaces

main/admin/statistics/statistics.lib.php

@@ -534,7 +534,7 @@ class Statistics {
                 $course = array ();
                 $course[]= '<a href="'.api_get_path(WEB_PATH).'courses/'.$obj->access_cours_code.'">'.$obj->access_cours_code.' <a>';
                                 //Allow sort by date hiding the numerical date
-				$course[] = '<span style="display:none;">'.$obj->access_date.'</span>'.api_convert_and_format_date($obj->access_date).'';
+                $course[] = '<span style="display:none;">'.$obj->access_date.'</span>'.api_convert_and_format_date($obj->access_date);
                 $courses[] = $course;
             }
             $parameters['action'] = 'courselastvisit';