unpack-trees: pass checkout state explicitly to check_updates()

diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index e5658c320ee45c208d4087e2b9761f38e0aeca92..ac84e99f3a6c073409ab7514aacdad7e722c6255 100644 (file)
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -272,7 +272,7 @@ static int cmp_string_list_util_as_integral(const void *a_, const void *b_)
 static void add_people_count(struct strbuf *out, struct string_list *people)
 {
        if (people->nr == 1)
-               strbuf_addf(out, "%s", people->items[0].string);
+               strbuf_addstr(out, people->items[0].string);
        else if (people->nr == 2)
                strbuf_addf(out, "%s (%d) and %s (%d)",
                            people->items[0].string,