ticket:12012: Replace all sizeof p / sizeof *p with UPRV_LENGTHOF().

source/extra/scrptrun/scrptrun.cpp

Index: source/extra/scrptrun/scrptrun.cpp
diff --git a/source/extra/scrptrun/scrptrun.cpp b/source/extra/scrptrun/scrptrun.cpp
index 8d9865155afab8e3a45e240bb2582b9a5872fa96..5b4e5bba928a69dc48f0ce7272580278394ec2b2 100644
--- a/source/extra/scrptrun/scrptrun.cpp
+++ b/source/extra/scrptrun/scrptrun.cpp
@@ -1,7 +1,7 @@
 /*
  *******************************************************************************
  *
- *   Copyright (C) 1999-2001, International Business Machines
+ *   Copyright (C) 1999-2016, International Business Machines
  *   Corporation and others.  All Rights Reserved.
  *
  *******************************************************************************
@@ -14,10 +14,9 @@
 #include "unicode/utypes.h"
 #include "unicode/uscript.h"
 
+#include "cmemory.h"
 #include "scrptrun.h"
 
-#define ARRAY_SIZE(array) (sizeof array  / sizeof array[0])
-
 const char ScriptRun::fgClassID=0;
 
 UChar32 ScriptRun::pairedChars[] = {
@@ -40,7 +39,7 @@ UChar32 ScriptRun::pairedChars[] = {
     0x301a, 0x301b
 };
 
-const int32_t ScriptRun::pairedCharCount = ARRAY_SIZE(pairedChars);
+const int32_t ScriptRun::pairedCharCount = UPRV_LENGTHOF(pairedChars);
 const int32_t ScriptRun::pairedCharPower = 1 << highBit(pairedCharCount);
 const int32_t ScriptRun::pairedCharExtra = pairedCharCount - pairedCharPower;