Broutilles et division par zero

bureau/admin/bro_pref.php

@@ -44,7 +44,7 @@ $fields = array (
 );
 getFields($fields);
 
-if ($submit) {
+if (!empty($submit)) {
 	$bro->SetPrefs($editsizex, $editsizey, $listmode, $showicons, $downfmt, $createfile, $showtype, $editor_font, $editor_size, $golastdir);
 	$error=_("Your preferences have been updated.");
 	include("bro_main.php");

bureau/admin/quotas_users.php

@@ -240,6 +240,7 @@ else
 }
 
 $totaltotal=$totalweb+$totallist+$totalmail+($totaldb/1024); // en Ko
+if ($totaltotal==0) $totaltotal=1;
 
 if ($cuid != 2000)
 {