File tar-recognize_xz.patch of Package tar

--- src/suffix.c
+++ src/suffix.c
@@ -40,6 +40,7 @@
   { S(lzma, lzma) },
   { S(tlz, lzma) },
   { S(lzo, lzop) },
+  { S(xz, lzma) },
 #undef S
 };