--- a/jdk/src/share/classes/java/net/SocketPermission.java	Mon Jun 16 08:09:30 2014 -0700
+++ b/jdk/src/share/classes/java/net/SocketPermission.java	Mon Jun 16 17:45:26 2014 +0100
@@ -733,7 +733,7 @@
         InetAddress auth;
 
         try {
-            StringBuffer sb = new StringBuffer(39);
+            StringBuilder sb = new StringBuilder(39);
 
             for (int i = 15; i >= 0; i--) {
                 sb.append(Integer.toHexString(((addr[i]) & 0x0f)));