Update XZ Utils to 5.0.3 (in deps)

src/liblzma/simple/ia64.c

 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       ia64.c
 /// \brief      Filter for IA64 (Itanium) binaries
 ///
 //  Authors:    Igor Pavlov
 //              Lasse Collin
 //
 //  This file has been put into the public domain.
 //  You can do whatever you want with this file.
 //
 ///////////////////////////////////////////////////////////////////////////////
 
 #include "simple_private.h"
 
 
 static size_t
-ia64_code(lzma_simple *simple lzma_attribute((unused)),
+ia64_code(lzma_simple *simple lzma_attribute((__unused__)),
                 uint32_t now_pos, bool is_encoder,
                 uint8_t *buffer, size_t size)
 {
         static const uint32_t BRANCH_TABLE[32] = {
                 0, 0, 0, 0, 0, 0, 0, 0,
                 0, 0, 0, 0, 0, 0, 0, 0,
                 4, 4, 6, 6, 0, 0, 7, 7,
                 4, 4, 0, 0, 4, 4, 0, 0
         };
 
@@ skipping 72 matching lines @@
         return ia64_coder_init(next, allocator, filters, true);
 }
 
 
 extern lzma_ret
 lzma_simple_ia64_decoder_init(lzma_next_coder *next,
                 lzma_allocator *allocator, const lzma_filter_info *filters)
 {
         return ia64_coder_init(next, allocator, filters, false);
 }