Update ICU to 58.1

source/i18n/inputext.cpp

Index: source/i18n/inputext.cpp
diff --git a/source/i18n/inputext.cpp b/source/i18n/inputext.cpp
index e5a8ee1868a69b82fa2d5f4336e6444f01883d86..c78828f32dfd37a0ec34ee53ce881f9d126f8c79 100644
--- a/source/i18n/inputext.cpp
+++ b/source/i18n/inputext.cpp
@@ -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) 2005-2009, International Business Machines
+ *   Copyright (C) 2005-2016, International Business Machines
  *   Corporation and others.  All Rights Reserved.
  **********************************************************************
  */
@@ -20,8 +22,6 @@ U_NAMESPACE_BEGIN
 
 #define BUFFER_SIZE 8192
 
-#define ARRAY_SIZE(array) (sizeof array / sizeof array[0])
-
 #define NEW_ARRAY(type,count) (type *) uprv_malloc((count) * sizeof(type))
 #define DELETE_ARRAY(array) uprv_free((void *) (array))