Update ICU to 54.1 step 1

source/common/unicode/bytestriebuilder.h

Index: source/common/unicode/bytestriebuilder.h
diff --git a/source/common/unicode/bytestriebuilder.h b/source/common/unicode/bytestriebuilder.h
index 6bbd8a212bb26fea0d03ba6a70fbf0c370cbe2a1..d00ab9b3b0947d0d05c8935f98efe15073da6218 100644
--- a/source/common/unicode/bytestriebuilder.h
+++ b/source/common/unicode/bytestriebuilder.h
@@ -1,6 +1,6 @@
 /*
 *******************************************************************************
-*   Copyright (C) 2010-2013, International Business Machines
+*   Copyright (C) 2010-2014, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *******************************************************************************
 *   file name:  bytestriebuilder.h
@@ -141,7 +141,6 @@ private:
     virtual int32_t getMinLinearMatch() const { return BytesTrie::kMinLinearMatch; }
     virtual int32_t getMaxLinearMatchLength() const { return BytesTrie::kMaxLinearMatchLength; }
 
-#ifndef U_HIDE_INTERNAL_API
     /**
      * @internal
      */
@@ -153,7 +152,6 @@ private:
     private:
         const char *s;
     };
-#endif  /* U_HIDE_INTERNAL_API */
 
     virtual Node *createLinearMatchNode(int32_t i, int32_t byteIndex, int32_t length,
                                         Node *nextNode) const;