Update ICU to 54.1 step 1

source/test/perf/unisetperf/draft/bitset.cpp

Index: source/test/perf/unisetperf/draft/bitset.cpp
diff --git a/source/test/perf/unisetperf/draft/bitset.cpp b/source/test/perf/unisetperf/draft/bitset.cpp
index 487d0c0985ff903bbe20ed3027eb21e6303c5272..d4d3f3f9830b0bc9233c456b1dded55aa7c38144 100644
--- a/source/test/perf/unisetperf/draft/bitset.cpp
+++ b/source/test/perf/unisetperf/draft/bitset.cpp
@@ -1,6 +1,6 @@
 /*  
 **********************************************************************
-*   Copyright (C) 2007, International Business Machines
+*   Copyright (C) 2014, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 **********************************************************************
 *   file name:  bitset.cpp
@@ -20,6 +20,7 @@
 
 #include "unicode/utypes.h"
 #include "unicont.h"
+#include "cmemory.h" // for UPRV_LENGTHOF
 
 /*
  * Hash table for up to 1k 64-bit words, for 1 bit per BMP code point.
@@ -146,7 +147,7 @@ public:
             prevIndex=j;
         }
 
-        if(bitHash->countKeys()>LENGTHOF(shortBits)) {
+        if(bitHash->countKeys()>UPRV_LENGTHOF(shortBits)) {
             bits=(int64_t *)uprv_malloc(bitHash->countKeys()*8);
         }
         if(bits!=NULL) {