cherry-pick/revert: reject --rerere-autoupdate when continuing

cherry-pick and revert should not accept --[no-]rerere-autoupdate once
they have started.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin/revert.c b/builtin/revert.c
index 16028b9..b9d927e 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -155,6 +155,8 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts)
 				"--strategy-option", opts->xopts ? 1 : 0,
 				"-x", opts->record_origin,
 				"--ff", opts->allow_ff,
+				"--rerere-autoupdate", opts->allow_rerere_auto == RERERE_AUTOUPDATE,
+				"--no-rerere-autoupdate", opts->allow_rerere_auto == RERERE_NOAUTOUPDATE,
 				NULL);
 	}