deps: Intl: Check in "small-icu" 57.1

* this commit has "small" ICU 57.1.
See other related commit for tools to generate this commit.

Fixes: https://github.com/nodejs/node/issues/3476
PR-URL: https://github.com/nodejs/node/pull/6088
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/deps/icu-small/source/tools/toolutil/pkg_imp.h b/deps/icu-small/source/tools/toolutil/pkg_imp.h
new file mode 100644
index 0000000000..45ddc4c091
--- /dev/null
+++ b/deps/icu-small/source/tools/toolutil/pkg_imp.h
@@ -0,0 +1,36 @@
+/*
+*******************************************************************************
+*
+*   Copyright (C) 2005-2016, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*   file name:  pkg_imp.h
+*   encoding:   US-ASCII
+*   tab size:   8 (not used)
+*   indentation:4
+*
+*   created on: 2005sep18
+*   created by: Markus W. Scherer
+*
+*   Implementation definitions for data package functions in toolutil.
+*/
+
+#ifndef __PKG_IMP_H__
+#define __PKG_IMP_H__
+
+#include "unicode/utypes.h"
+#include "unicode/udata.h"
+
+/*
+ * Read an ICU data item with any platform type,
+ * return the pointer to the UDataInfo in its header,
+ * and set the lengths of the UDataInfo and of the whole header.
+ * All data remains in its platform type.
+ */
+U_CFUNC const UDataInfo *
+getDataInfo(const uint8_t *data, int32_t length,
+            int32_t &infoLength, int32_t &headerLength,
+            UErrorCode *pErrorCode);
+
+#endif