tests/pxar.rs: Change rsync options to --archive

By this the pxar integrity test checks for even more attributes such as a e.g.
correctly restored timestamp. See `man rsync` for details.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>

tests/pxar.rs

@@ -39,12 +39,7 @@ fn pxar_create_and_extract() {
     let stdout = Command::new("rsync")
         .arg("--dry-run")
         .arg("--itemize-changes")
-        .arg("--recursive")
-        .arg("--acls")
-        .arg("--xattrs")
-        .arg("--owner")
-        .arg("--group")
-        .arg("--hard-links")
+        .arg("--archive")
         .arg(src_dir)
         .arg(dest_dir)
         .stdout(Stdio::piped())