Update ICU to 58.1

source/i18n/uitercollationiterator.h

Index: source/i18n/uitercollationiterator.h
diff --git a/source/i18n/uitercollationiterator.h b/source/i18n/uitercollationiterator.h
index b1100c8ba1af7c184e166de36baf43e9008e5e2f..da9f8d34687d0b881746085ac1a3969199ac32c1 100644
--- a/source/i18n/uitercollationiterator.h
+++ b/source/i18n/uitercollationiterator.h
@@ -1,6 +1,8 @@
+// Copyright (C) 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
 *******************************************************************************
-* Copyright (C) 2012-2014, International Business Machines
+* Copyright (C) 2012-2016, International Business Machines
 * Corporation and others.  All Rights Reserved.
 *******************************************************************************
 * uitercollationiterator.h
@@ -20,6 +22,7 @@
 #include "cmemory.h"
 #include "collation.h"
 #include "collationdata.h"
+#include "collationiterator.h"
 #include "normalizer2impl.h"
 
 U_NAMESPACE_BEGIN