Update ICU to 54.1 step 1

source/i18n/digitlst.h

Index: source/i18n/digitlst.h
diff --git a/source/i18n/digitlst.h b/source/i18n/digitlst.h
index 8aea3bb5ab2ad21956502754c858f004e2c8e0bb..7e98d2b5e45716d08ce26de2cb7e0788333ebe9f 100644
--- a/source/i18n/digitlst.h
+++ b/source/i18n/digitlst.h
@@ -1,7 +1,7 @@
 /*
 ******************************************************************************
 *
-*   Copyright (C) 1997-2012, International Business Machines
+*   Copyright (C) 1997-2013, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ******************************************************************************
@@ -413,8 +413,13 @@ private:
 
  public:
 
+#if U_OVERRIDE_CXX_ALLOCATION
     using UMemory::operator new;
     using UMemory::operator delete;
+#else
+    static inline void * U_EXPORT2 operator new(size_t size) U_NO_THROW { return ::operator new(size); };
+    static inline void U_EXPORT2 operator delete(void *ptr )  U_NO_THROW { ::operator delete(ptr); };
+#endif
 
     /**
      * Placement new for stack usage