Update ICU to 58.1

source/common/normalizer2.cpp

Index: source/common/normalizer2.cpp
diff --git a/source/common/normalizer2.cpp b/source/common/normalizer2.cpp
index eacc57168bb1632bd1425a7fa8ccd01aa66ac93c..33d94174eb4f9595b832cb6cce4d90d307c9a89b 100644
--- a/source/common/normalizer2.cpp
+++ b/source/common/normalizer2.cpp
@@ -1,7 +1,9 @@
+// Copyright (C) 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
 *******************************************************************************
 *
-*   Copyright (C) 2009-2014, International Business Machines
+*   Copyright (C) 2009-2016, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
@@ -31,6 +33,7 @@
 using icu::Normalizer2Impl;
 
 // NFC/NFD data machine-generated by gennorm2 --csource
+#define INCLUDED_FROM_NORMALIZER2_CPP
 #include "norm2_nfc_data.h"
 
 U_NAMESPACE_BEGIN