Update XZ Utils to 5.0.3 (in deps)

src/liblzma/common/alone_decoder.c

 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       alone_decoder.c
 /// \brief      Decoder for LZMA_Alone files
 //
 //  Author:     Lasse Collin
 //
 //  This file has been put into the public domain.
 //  You can do whatever you want with this file.
 //
@@ skipping 28 matching lines @@
         uint64_t memusage;
 
         /// Options decoded from the header needed to initialize
         /// the LZMA decoder
         lzma_options_lzma options;
 };
 
 
 static lzma_ret
 alone_decode(lzma_coder *coder,
-                lzma_allocator *allocator lzma_attribute((unused)),
+                lzma_allocator *allocator lzma_attribute((__unused__)),
                 const uint8_t *restrict in, size_t *restrict in_pos,
                 size_t in_size, uint8_t *restrict out,
                 size_t *restrict out_pos, size_t out_size,
                 lzma_action action)
 {
         while (*out_pos < out_size
                         && (coder->sequence == SEQ_CODE || *in_pos < in_size))
         switch (coder->sequence) {
         case SEQ_PROPERTIES:
                 if (lzma_lzma_lclppb_decode(&coder->options, in[*in_pos]))
@@ skipping 163 matching lines @@
 extern LZMA_API(lzma_ret)
 lzma_alone_decoder(lzma_stream *strm, uint64_t memlimit)
 {
         lzma_next_strm_init(lzma_alone_decoder_init, strm, memlimit);
 
         strm->internal->supported_actions[LZMA_RUN] = true;
         strm->internal->supported_actions[LZMA_FINISH] = true;
 
         return LZMA_OK;
 }