rebase -i: add missing newline to end of message

The message that's printed when auto-stashed changes are successfully
restored was missing '\n' at the end.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: phillipwood

sequencer.c

@@ -1904,7 +1904,7 @@ static int apply_autostash(struct replay_opts *opts)
 	argv_array_push(&child.args, "apply");
 	argv_array_push(&child.args, stash_sha1.buf);
 	if (!run_command(&child))
-		printf(_("Applied autostash."));
+		printf(_("Applied autostash.\n"));
 	else {
 		struct child_process store = CHILD_PROCESS_INIT;