Bump bundled libarchive version to 3.5.2

- Update bunlded libarchive version used on Windows/Mac
- Enable requested zstd support while we are at it. Closes #211

dependencies/zstd-1.5.0/programs/dibio.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) Yann Collet, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under both the BSD-style license (found in the
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
+ * in the COPYING file in the root directory of this source tree).
+ * You may select, at your option, one of the above-listed licenses.
+ */
+
+/* This library is designed for a single-threaded console application.
+*  It exit() and printf() into stderr when it encounters an error condition. */
+
+#ifndef DIBIO_H_003
+#define DIBIO_H_003
+
+
+/*-*************************************
+*  Dependencies
+***************************************/
+#define ZDICT_STATIC_LINKING_ONLY
+#include "../lib/zdict.h"     /* ZDICT_params_t */
+
+
+/*-*************************************
+*  Public functions
+***************************************/
+/*! DiB_trainFromFiles() :
+    Train a dictionary from a set of files provided by `fileNamesTable`.
+    Resulting dictionary is written into file `dictFileName`.
+    `parameters` is optional and can be provided with values set to 0, meaning "default".
+    @return : 0 == ok. Any other : error.
+*/
+int DiB_trainFromFiles(const char* dictFileName, unsigned maxDictSize,
+                       const char** fileNamesTable, unsigned nbFiles, size_t chunkSize,
+                       ZDICT_legacy_params_t* params, ZDICT_cover_params_t* coverParams,
+                       ZDICT_fastCover_params_t* fastCoverParams, int optimize);
+
+#endif