Make it obvious that the two conditional branches are mutually
exclusive. This makes it easier to comprehend and optimize.

As a drive-by, remove a pair of unnecessary braces.

Signed-off-by: Oswald Buddenhagen <redacted>
---
v2:
- slightly more verbose commit message
---
 sequencer.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/sequencer.c b/sequencer.c
index 3be23d7ca2..9169876441 100644
--- a/sequencer.c
+++ b/sequencer.c

@@ -5868,12 +5868,9 @@ static void todo_list_to_strbuf(struct repository *r, struct todo_list *todo_lis
 			if (item->command == TODO_FIXUP) {
 				if (item->flags & TODO_EDIT_FIXUP_MSG)
 					strbuf_addstr(buf, " -c");
-				else if (item->flags & TODO_REPLACE_FIXUP_MSG) {
+				else if (item->flags & TODO_REPLACE_FIXUP_MSG)
 					strbuf_addstr(buf, " -C");
-				}
-			}
-
-			if (item->command == TODO_MERGE) {
+			} else if (item->command == TODO_MERGE) {
 				if (item->flags & TODO_EDIT_MERGE_MSG)
 					strbuf_addstr(buf, " -c");
 				else

--