CRM-13667

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* CRM-13667: WP Sync Users Error
  http://issues.civicrm.org/jira/browse/CRM-13667

CRM/Core/BAO/CMSUser.php

@@ -160,9 +160,7 @@ class CRM_Core_BAO_CMSUser {
       $contactMatching = 0;
 
       global $wpdb;
-      $wpUserIds = $wpdb->get_col(
-        $wpdb->prepare("SELECT $wpdb->users.ID FROM $wpdb->users")
-      );
+      $wpUserIds = $wpdb->get_col("SELECT $wpdb->users.ID FROM $wpdb->users");
 
       foreach ($wpUserIds as $wpUserId) {
         $wpUserData = get_userdata($wpUserId);