Update ICU to 54.1 step 1

source/common/utrie2.h

 /*
 ******************************************************************************
 *
-*   Copyright (C) 2001-2013, International Business Machines
+*   Copyright (C) 2001-2014, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ******************************************************************************
 *   file name:  utrie2.h
 *   encoding:   US-ASCII
 *   tab size:   8 (not used)
 *   indentation:4
 *
 *   created on: 2008aug16 (starting from a copy of utrie.h)
 *   created by: Markus W. Scherer
@@ skipping 297 matching lines @@
  *                 or 0 for preflighting
  * @param pErrorCode an in/out ICU UErrorCode; among other possible error codes:
  * - U_BUFFER_OVERFLOW_ERROR if the data storage block is too small for serialization
  * - U_ILLEGAL_ARGUMENT_ERROR if the trie is not frozen or the data and capacity
  *                            parameters are bad
  * @return the number of bytes written or needed for the trie
  *
  * @see utrie2_openFromSerialized()
  */
 U_CAPI int32_t U_EXPORT2
-utrie2_serialize(UTrie2 *trie,
+utrie2_serialize(const UTrie2 *trie,
                  void *data, int32_t capacity,
                  UErrorCode *pErrorCode);
 
 /* Public UTrie2 API: miscellaneous functions ------------------------------- */
 
 /**
  * Get the UTrie version from 32-bit-aligned memory containing the serialized form
  * of either a UTrie (version 1) or a UTrie2 (version 2).
  *
  * @param data a pointer to 32-bit-aligned memory containing the serialized form
@@ skipping 646 matching lines @@
 U_CDECL_END
 
 /**
  * Work around MSVC 2003 optimization bugs.
  */
 #if defined (U_HAVE_MSVC_2003_OR_EARLIER)
 #pragma optimize("", off)
 #endif
 
 #endif