Revert "quantum init"

This reverts commit 53af3b51ae.

crypto/perlasm/x86asm.pl

@@ -1,4 +1,11 @@
-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (the "License").  You may not use
+# this file except in compliance with the License.  You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
 
 # require 'x86asm.pl';
 # &asm_init(<flavor>,"des-586.pl"[,$i386only]);
@@ -165,6 +172,11 @@ sub ::vprotd
     {	&::generic("vprotd",@_);	}
 }
 
+sub ::endbranch
+{
+    &::data_byte(0xf3,0x0f,0x1e,0xfb);
+}
+
 # label management
 $lbdecor="L";		# local label decoration, set by package
 $label="000";