Minor - cleaning white spaces

main/exercice/exercise.class.php

@@ -2744,7 +2744,7 @@ class Exercise {
 				} else {
 					if ($debug) error_log('Showing questions $from '.$from);
 
-					switch($answerType) {
+					switch ($answerType) {
 						case UNIQUE_ANSWER :
 						case UNIQUE_ANSWER_NO_OPTION:
 						case MULTIPLE_ANSWER :

main/tracking/exams.php

@@ -280,18 +280,6 @@ foreach ($course_list as $current_course) {
 						$total_with_parameter_score++;
 					}
 
-					/*				
-					$sql_last_attempt='SELECT exe_id FROM '.$tbl_stats_exercices.' WHERE exe_exo_id="'.$a_exercices['id'].'" AND exe_user_id="'.$current_student_id.'" AND exe_cours_id="'.$current_course['code'].'" ORDER BY exe_date DESC LIMIT 1';
-					$resultLastAttempt = Database::query($sql_last_attempt);
-					if(Database::num_rows($resultLastAttempt)>0) {
-						$id_last_attempt=Database::result($resultLastAttempt,0,0);					
-						if($a_essais['essais']>0) {
-						///	echo		'<a href="../exercice/exercise_show.php?id='.$id_last_attempt.'&cidReq='.$current_course['code'].'&student='.$current_student_id.'&origin='.(empty($_GET['origin']) ? 'tracking' : $_GET['origin']).'"> <img src="'.api_get_path(WEB_IMG_PATH).'quiz.gif" border="0"> </a>';
-						}
-					}		 
-					*/
-					
-					
 					if (!$global) {
 						$user_info = api_get_user_info($current_student_id);