Fix image

main/exercice/calculated_answer.class.php

@@ -126,7 +126,7 @@ class CalculatedAnswer extends Question
         $form->addElement(
             'html_editor',
             'answer',
-            Display::returnIconPath('fill_field.png'),
+            Display::return_icon('fill_field.png'),
             array(
                 'id' => 'answer',
                 'onkeyup' => 'javascript: updateBlanks(this);'

main/exercice/fill_blanks.class.php

@@ -254,7 +254,7 @@ class FillBlanks extends Question
         $form->addElement(
             'html_editor',
             'answer',
-            Display::returnIconPath('fill_field.png'),
+            Display::return_icon('fill_field.png'),
             ['id' => 'answer', 'onkeyup' => "javascript: updateBlanks(this);"],
             array('ToolbarSet' => 'TestQuestionDescription')
         );

main/exercice/global_multiple_answer.class.php

@@ -45,7 +45,12 @@ class GlobalMultipleAnswer extends Question
 
         $html .='<th>' . get_lang('Comment') . '</th>';
         $html .='</tr>';
-        $form->addElement('label', get_lang('Answers') . '<br /> '.Display::returnIconPath('fill_field.png'), $html);
+        $form->addElement(
+            'label',
+            get_lang('Answers') .
+            '<br /> '.Display::return_icon('fill_field.png'),
+            $html
+        );
         $defaults = array();
         $correct = 0;
         $answer = false;