ICU 56 update step 1

source/i18n/unicode/currpinf.h

Index: source/i18n/unicode/currpinf.h
diff --git a/source/i18n/unicode/currpinf.h b/source/i18n/unicode/currpinf.h
index 9ade99a09e59ada3ccb6aca811a4cbc3d955973f..5e487f9e54a5185d53f3391a4bb8bb950cb69300 100644
--- a/source/i18n/unicode/currpinf.h
+++ b/source/i18n/unicode/currpinf.h
@@ -1,6 +1,6 @@
 /*
  *******************************************************************************
- * Copyright (C) 2009-2011, International Business Machines Corporation and         *
+ * Copyright (C) 2009-2015, International Business Machines Corporation and         *
  * others. All Rights Reserved.                                                *
  *******************************************************************************
  */
@@ -191,6 +191,7 @@ public:
 
 private:
     friend class DecimalFormat;
+    friend class DecimalFormatImpl;
 
     void initialize(const Locale& loc, UErrorCode& status);