put back some minor changes

src/validate.php

@@ -20,6 +20,7 @@ session_start();
 require_once('../functions/i18n.php');
 require_once('../functions/auth.php');
 require_once('../functions/strings.php');
+require_once('../functions/prefs.php');
 
 is_logged_in();
 
@@ -79,15 +80,14 @@ $theme=array();
 require_once('../config/config.php');
 require_once('../src/load_prefs.php');
 require_once('../functions/page_header.php');
-require_once('../functions/prefs.php');
 
 /* Set up the language (i18n.php was included by auth.php). */
 global $username, $data_dir;
 set_up_language(getPref($data_dir, $username, 'language'));
 
 $timeZone = getPref($data_dir, $username, 'timezone');
-if ( $timeZone != SMPREF_NONE && ($timeZone != "") 
-    && !ini_get("safe_mode")) {
-    putenv("TZ=".$timeZone);
+if ( $timeZone != SMPREF_NONE && ($timeZone <> '') 
+    && !ini_get( 'safe_mode')) {
+    putenv('TZ=' . $timeZone);
 }
 ?>