tar/write.h: Support `sys/xattr.h` (#2335)

Synchronize the last use of `attr/xattr.h` to support using
`sys/xattr.h` instead. The former header is deprecated on GNU/Linux, and
this replacement makes it possible to build libarchive without the
`attr` package.

diff --git a/tar/write.c b/tar/write.c
index 1d1139f4cde5c6ee588d749c2d90ce2068fb7aa8..43cd7023339795064a805474e3b653560fc9e8ea 100644 (file)
--- a/tar/write.c
+++ b/tar/write.c
@@ -32,7 +32,9 @@
 #ifdef HAVE_SYS_STAT_H
 #include <sys/stat.h>
 #endif
-#ifdef HAVE_ATTR_XATTR_H
+#if HAVE_SYS_XATTR_H
+#include <sys/xattr.h>
+#elif HAVE_ATTR_XATTR_H
 #include <attr/xattr.h>
 #endif
 #ifdef HAVE_ERRNO_H