Update ICU to 54.1 step 1

source/i18n/sharednumberformat.h

+/*
+******************************************************************************
+* Copyright (C) 2014, International Business Machines
+* Corporation and others.  All Rights Reserved.
+******************************************************************************
+* sharednumberformat.h
+*/
+
+#ifndef __SHARED_NUMBERFORMAT_H__
+#define __SHARED_NUMBERFORMAT_H__
+
+#include "unicode/utypes.h"
+#include "sharedobject.h"
+
+U_NAMESPACE_BEGIN
+
+class NumberFormat;
+
+class U_I18N_API SharedNumberFormat : public SharedObject {
+public:
+    SharedNumberFormat(NumberFormat *nfToAdopt) : ptr(nfToAdopt) { }
+    virtual ~SharedNumberFormat();
+    const NumberFormat *get() const { return ptr; }
+    const NumberFormat *operator->() const { return ptr; }
+    const NumberFormat &operator*() const { return *ptr; }
+private:
+    NumberFormat *ptr;
+    SharedNumberFormat(const SharedNumberFormat &);
+    SharedNumberFormat &operator=(const SharedNumberFormat &);
+};
+
+U_NAMESPACE_END
+
+#endif