[svn r18932] Corrects the bug that displays not subscribed users in the not subscribed users list when adding user to a session

main/admin/add_users_to_session.php

@@ -379,10 +379,14 @@ if ($ajax_search) {
 	$Users=api_store_result($result);
 	//var_dump($_REQUEST['id_session']);
 	foreach ($Users as $user) {
-			if($user['id_session'] == $id_session)
-				$sessionUsersList[$user['user_id']] = $user ;		
+		if($user['id_session'] == $id_session){
+			$sessionUsersList[$user['user_id']] = $user;
+			if (array_key_exists($user['user_id'],$nosessionUsersList))
+                unset($nosessionUsersList[$user['user_id']]);
+		}
+		else if ( $sessionUsersList[$user['user_id']]['id_session']!=$id_session )
+			$nosessionUsersList[$user['user_id']] = $user ;
 	}
-		
 }
 
 if ($add_type == 'multiple') {