MDL-13665 HTML editor is loaded as non-secure on the secure "Add new …

…user" form, patch by Steve Bond; merged from MOOODLE_19_SATBLE

lib/weblib.php

@@ -4862,7 +4862,7 @@ function print_textarea($usehtmleditor, $rows, $cols, $width, $height, $name, $v
 
         if ($usehtmleditor) {
             if (!empty($courseid) and has_capability('moodle/course:managefiles', get_context_instance(CONTEXT_COURSE, $courseid))) {
-                $httpsrequired = empty($HTTPSPAGEREQUIRED) ? '' : '&ampt;httpsrequired=1';
+                $httpsrequired = empty($HTTPSPAGEREQUIRED) ? '' : '&httpsrequired=1';
                 // needed for course file area browsing in image insert plugin
                 $str .= ($scriptcount < 1) ? '<script type="text/javascript" src="'.
                         $CFG->httpswwwroot .'/lib/editor/htmlarea/htmlarea.php?id='.$courseid.$httpsrequired.'"></script>'."\n" : '';