[PATCH] scripts/archive-source: Use more portable argument with tar command

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

When using the archive-source.sh script on Darwin we get:

  tar: Option --concatenate is not supported
  Usage:
    List:    tar -tf <archive-filename>
    Extract: tar -xf <archive-filename>
    Create:  tar -cf <archive-filename> [filenames...]
    Help:    tar --help

Replace the long argument added by commit 8fc76176f6 ("scripts: use
git-archive in archive-source") by their short form to keep this
script functional.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 scripts/archive-source.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/archive-source.sh b/scripts/archive-source.sh
index 23e042dacd..6a710a212e 100755
--- a/scripts/archive-source.sh
+++ b/scripts/archive-source.sh
@@ -67,7 +67,7 @@ for sm in $submodules; do
     esac
     (cd $sm; git archive --format tar --prefix "$sm/" $(tree_ish)) > "$sub_file"
     test $? -ne 0 && error "failed to archive submodule $sm ($smhash)"
-    tar --concatenate --file "$tar_file" "$sub_file"
+    tar -c -f "$tar_file" "$sub_file"
     test $? -ne 0 && error "failed append submodule $sm to $tar_file"
 done
 exit 0
-- 
2.38.1