format-patch: do not abuse 3-dash marker line.

Before GIT version at the end of output we used a 3-dash marker;
but 3-dash marker is special and should not be overused.
Instead, use "-- " which is a standard practice in e-mails to
signal the beginning of trailing garbage.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git-format-patch.sh b/git-format-patch.sh
index a26d46d..4cd38f3 100755 (executable)
--- a/git-format-patch.sh
+++ b/git-format-patch.sh
@@ -239,7 +239,7 @@ Date: '"$ad"
        git-diff-tree -p $diff_opts "$commit" | git-apply --stat --summary
        echo
        git-diff-tree -p $diff_opts "$commit"
-       echo "---"
+       echo "-- "
        echo "@@GIT_VERSION@@"
 
        case "$mbox" in