update sabre/vobject

vendor/sabre/vobject/lib/UUIDUtil.php

@@ -13,8 +13,8 @@ namespace Sabre\VObject;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-class UUIDUtil {
-
+class UUIDUtil
+{
     /**
      * Returns a pseudo-random v4 UUID.
      *
@@ -24,10 +24,9 @@ class UUIDUtil {
      *
      * @return string
      */
-    static function getUUID() {
-
+    public static function getUUID()
+    {
         return sprintf(
-
             '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
 
             // 32 bits for "time_low"
@@ -57,13 +56,11 @@ class UUIDUtil {
      *
      * @return bool
      */
-    static function validateUUID($uuid) {
-
-        return preg_match(
+    public static function validateUUID($uuid)
+    {
+        return 0 !== preg_match(
             '/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/i',
             $uuid
-        ) !== 0;
-
+        );
     }
-
 }