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/libarchive-3.5.2/libarchive/test/test.h

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2003-2017 Tim Kientzle
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* Every test program should #include "test.h" as the first thing. */
+
+#define KNOWNREF	"test_compat_gtar_1.tar.uu"
+#define	ENVBASE "LIBARCHIVE" /* Prefix for environment variables. */
+#undef	PROGRAM              /* Testing a library, not a program. */
+#define	LIBRARY	"libarchive"
+#define	EXTRA_DUMP(x)	archive_error_string((struct archive *)(x))
+#define	EXTRA_ERRNO(x)	archive_errno((struct archive *)(x))
+#define	EXTRA_VERSION	archive_version_details()
+
+#if defined(__GNUC__) && (__GNUC__ >= 7)
+#define	__LA_FALLTHROUGH	__attribute__((fallthrough))
+#else
+#define	__LA_FALLTHROUGH
+#endif
+
+#include "test_common.h"