Update ICU to 54.1 step 1

source/i18n/unicode/dtitvinf.h

 /*
  *******************************************************************************
- * Copyright (C) 2008-2011,2013, International Business Machines Corporation and
+ * Copyright (C) 2008-2014, International Business Machines Corporation and
  * others. All Rights Reserved.
  *******************************************************************************
  *
  * File DTITVINF.H
  *
  *******************************************************************************
  */
 
 #ifndef __DTITVINF_H__
 #define __DTITVINF_H__
@@ skipping 127 matching lines @@
  * When clients obtain a DateIntervalInfo object, 
  * they can feel free to modify it as necessary.
  * <P>
  * DateIntervalInfo are not expected to be subclassed. 
  * Data for a calendar is loaded out of resource bundles. 
  * Through ICU 4.4, date interval patterns are only supported in the Gregorian
  * calendar; non-Gregorian calendars are supported from ICU 4.4.1. 
  * @stable ICU 4.0
 **/
 
-class U_I18N_API DateIntervalInfo : public UObject {
+class U_I18N_API DateIntervalInfo U_FINAL : public UObject {
 public:
 #ifndef U_HIDE_INTERNAL_API
     /**
      * Default constructor.
      * It does not initialize any interval patterns except
      * that it initialize default fall-back pattern as "{0} - {1}",
      * which can be reset by setFallbackIntervalPattern().
      * It should be followed by setFallbackIntervalPattern() and 
      * setIntervalPattern(), 
      * and is recommended to be used only for power users who
@@ skipping 343 matching lines @@
     return !operator==(other);
 }
 
 
 U_NAMESPACE_END
 
 #endif
 
 #endif