Add an unpatched version of xz, XZ Utils, to /trunk/deps/third_party

xz/src/xz/options.h

+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       options.h
+/// \brief      Parser for filter-specific options
+//
+//  Author:     Lasse Collin
+//
+//  This file has been put into the public domain.
+//  You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+/// \brief      Parser for Delta options
+///
+/// \return     Pointer to allocated options structure.
+///             Doesn't return on error.
+extern lzma_options_delta *options_delta(const char *str);
+
+
+/// \brief      Parser for BCJ options
+///
+/// \return     Pointer to allocated options structure.
+///             Doesn't return on error.
+extern lzma_options_bcj *options_bcj(const char *str);
+
+
+/// \brief      Parser for LZMA options
+///
+/// \return     Pointer to allocated options structure.
+///             Doesn't return on error.
+extern lzma_options_lzma *options_lzma(const char *str);