Update ICU to 54.1 step 1

source/common/cmemory.h

Index: source/common/cmemory.h
diff --git a/source/common/cmemory.h b/source/common/cmemory.h
index f5c063b2ec79ea3c22d0a3719b04e5801f355524..ed29b63e8f9f736aa278760809fed571e51dd4e7 100644
--- a/source/common/cmemory.h
+++ b/source/common/cmemory.h
@@ -1,7 +1,7 @@
 /*
 ******************************************************************************
 *
-*   Copyright (C) 1997-2012, International Business Machines
+*   Copyright (C) 1997-2014, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ******************************************************************************
@@ -59,6 +59,14 @@ U_CAPI void uprv_checkValidMemory(const void *p, size_t n);
 
 #endif  /* U_DEBUG */
 
+/**
+ * \def UPRV_LENGTHOF
+ * Convenience macro to determine the length of a fixed array at compile-time.
+ * @param array A fixed length array
+ * @return The length of the array, in elements
+ * @internal
+ */
+#define UPRV_LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
 #define uprv_memset(buffer, mark, size) U_STANDARD_CPP_NAMESPACE memset(buffer, mark, size)
 #define uprv_memcmp(buffer1, buffer2, size) U_STANDARD_CPP_NAMESPACE memcmp(buffer1, buffer2,size)