Bug fix for password validation

@@ -168,7 +168,7 @@ function register($username, $email, $password, $meta = Array()) {
  * @global $wpdb
  * @see wpmu_activate_signup
  */
-function activate($key, $validate_against_password = false, $pass = '') {
+function activate($key, $password_validation = null) {
     global $wpdb, $current_blog;
     $signup = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->signups} WHERE activation_key = %s", $key));
 
@@ -185,14 +185,12 @@ function activate($key, $validate_against_password = false, $pass = '') {
     // Do I need to re-sanatize this?
     $meta = unserialize($signup->meta);
 
-    
-    if ($validate_against_password) {
-        if ($meta['password'] != $pass) {
+    if (!is_null($password_validation)) {
+        if ($meta['password'] != $password_validation) {
             throw new Exception('Bad password match');
         }
     }
 
-    
     $id = _create_user($signup->user_login, $meta['password'], $signup->user_email);
     unset($meta['password']);
 
@@ -208,12 +206,11 @@ function activate($key, $validate_against_password = false, $pass = '') {
     //add_new_user_to_blog( $id, $user_email, $meta );
     //do_action(ACTION_ACTIVATE, $id, $password, $meta);
 
-    // KB001: If more than the password was sent in meta, have it generate user_meta for each key=>val pair
+    // If more than the password was sent in meta, have it generate user_meta for each key=>val pair
     foreach($meta as $key=>$val) {
         update_user_meta($id, $key, $val);
     }
 
-
     return (int)$id;
 }