Update ICU to 54.1 step 1

source/i18n/bocsu.h

 /*
 *******************************************************************************
-*   Copyright (C) 2001-2011, International Business Machines
+*   Copyright (C) 2001-2014, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *******************************************************************************
-*   file name:  bocsu.c
+*   file name:  bocsu.h
 *   encoding:   US-ASCII
 *   tab size:   8 (not used)
 *   indentation:4
 *
 *   Author: Markus W. Scherer
 *
 *   Modification history:
 *   05/18/2001  weiv    Made into separate module
 */
 
@@ skipping 127 matching lines @@
  */
 #define NEGDIVMOD(n, d, m) { \
     (m)=(n)%(d); \
     (n)/=(d); \
     if((m)<0) { \
         --(n); \
         (m)+=(d); \
     } \
 }
 
-U_CFUNC void
-u_writeIdenticalLevelRun(const UChar *s, int32_t length, icu::ByteSink &sink);
-
-U_CFUNC int32_t
-u_writeIdenticalLevelRunTwoChars(UChar32 first, UChar32 second, uint8_t *p);
-
-U_CFUNC uint8_t *
-u_writeDiff(int32_t diff, uint8_t *p);
+U_CFUNC UChar32
+u_writeIdenticalLevelRun(UChar32 prev, const UChar *s, int32_t length, icu::ByteSink &sink);
 
 #endif /* #if !UCONFIG_NO_COLLATION */
 
 #endif