adjust default bcrypt iterations to 10. fixes #2093

inc/PassHash.class.php

@@ -530,7 +530,7 @@ class PassHash {
      * @throws Exception
      * @return string Hashed password
      */
-    public function hash_bcrypt($clear, $salt = null, $compute = 8) {
+    public function hash_bcrypt($clear, $salt = null, $compute = 10) {
         if(!defined('CRYPT_BLOWFISH') || CRYPT_BLOWFISH != 1) {
             throw new Exception('This PHP installation has no bcrypt support');
         }