back porting html_writer::div to html_writer::tag('div' so it works in 2.4

renderer.php

@@ -291,10 +291,10 @@ class block_course_overview_uwmoodle_renderer extends plugin_renderer_base {
         $output .= $this->output->box('', 'flush');
         $output .= $this->output->box_end();
 
-        $output .= html_writer::start_div('legend');
-        $output .= html_writer::div(get_string('moodle_legend', 'block_my_course_links'), 'Moodle-icon');
-        $output .= html_writer::div(get_string('d2l_legend', 'block_my_course_links'), 'D2L-icon');
-        $output .= html_writer::end_div();
+        $output .= html_writer::start_tag('div', array('class'=>'legend'));
+        $output .= html_writer::tag('div', get_string('moodle_legend', 'block_my_course_links'), array('class'=>'Moodle-icon'));
+        $output .= html_writer::tag('div', get_string('d2l_legend', 'block_my_course_links'), array('class'=>'D2L-icon'));
+        $output .= html_writer::end_tag('div');
 
         return $output;
     }
@@ -326,12 +326,12 @@ class block_course_overview_uwmoodle_renderer extends plugin_renderer_base {
         $html .= html_writer::start_tag('div', array('class' => 'courselistcontainer', 'id' => 'uwmm_terms_content'));
 
         // add in loading courses and no javascript divs for display on the block when using ajax
-        $html .= html_writer::div('', 'loadingcourses');
-        $html .= html_writer::start_div('nojavascript');
-        $usephpurl = clone($PAGE->url);
-        $usephpurl->param('usephp', 'true');
-        $html .= html_writer::link($usephpurl, get_string('nojavascript', 'block_course_overview_uwmoodle'));
-        $html .= html_writer::end_div();
+        $html .= html_writer::tag('div', '', array('class'=>'loadingcourses'));
+        $html .= html_writer::start_tag('div', array('class'=>'nojavascript'));
+            $usephpurl = clone($PAGE->url);
+            $usephpurl->param('usephp', 'true');
+            $html .= html_writer::link($usephpurl, get_string('nojavascript', 'block_course_overview_uwmoodle'));
+        $html .= html_writer::end_tag('div');
 
 
         $html .= html_writer::end_tag('div');
@@ -348,7 +348,7 @@ class block_course_overview_uwmoodle_renderer extends plugin_renderer_base {
     public function ajax_other_course_block(){
         $html  = '';
         $html .= $this->begin_course_block(get_string('ongoingcourses', 'block_course_overview_uwmoodle'), 'uwmm_othercourses_block', 'ongoingcourses', 'hidden');
-        $html .= html_writer::div('', '', array('id'=>'ongoing_courses'));
+        $html .= html_writer::tag('div', '', array('id'=>'ongoing_courses'));
         $html .= $this->end_course_block();
         return $html;
     }