Update ICU to 54.1 step 1

source/common/unicode/locid.h

Index: source/common/unicode/locid.h
diff --git a/source/common/unicode/locid.h b/source/common/unicode/locid.h
index 0faea9b81f3babdf7a87b353b3bdbeabac83dc70..35461929db05188e049eb8633309219061710cef 100644
--- a/source/common/unicode/locid.h
+++ b/source/common/unicode/locid.h
@@ -1,7 +1,7 @@
 /*
 ******************************************************************************
 *
-*   Copyright (C) 1996-2013, International Business Machines
+*   Copyright (C) 1996-2014, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ******************************************************************************
@@ -493,6 +493,23 @@ public:
      */
     uint32_t        getLCID(void) const;
 
+#ifndef U_HIDE_DRAFT_API
+    /**
+     * Returns whether this locale's script is written right-to-left.
+     * If there is no script subtag, then the likely script is used, see uloc_addLikelySubtags().
+     * If no likely script is known, then FALSE is returned.
+     *
+     * A script is right-to-left according to the CLDR script metadata
+     * which corresponds to whether the script's letters have Bidi_Class=R or AL.
+     *
+     * Returns TRUE for "ar" and "en-Hebr", FALSE for "zh" and "fa-Cyrl".
+     *
+     * @return TRUE if the locale's script is written right-to-left
+     * @draft ICU 54
+     */
+    UBool isRightToLeft() const;
+#endif  /* U_HIDE_DRAFT_API */
+
     /**
      * Fills in "dispLang" with the name of this locale's language in a format suitable for
      * user display in the default locale.  For example, if the locale's language code is
@@ -748,7 +765,7 @@ private:
     /**
      * @internal
      */
-    friend void locale_available_init();
+    friend void U_CALLCONV locale_available_init();
 };
 
 inline UBool