graph: use strbuf_addchars() to add spaces

diff --git a/builtin/branch.c b/builtin/branch.c
index 355f9ef5da164d4d3e88872984fced9e9a744a84..a2b7c554275e871b2d175353459bbfa0744327f2 100644 (file)
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -352,7 +352,7 @@ static char *build_format(struct ref_filter *filter, int maxwidth, const char *r
                        strbuf_addf(&obname, "%%(objectname:short=%d)", filter->abbrev);
 
                strbuf_addf(&local, "%%(align:%d,left)%%(refname:lstrip=2)%%(end)", maxwidth);
-               strbuf_addf(&local, "%s", branch_get_color(BRANCH_COLOR_RESET));
+               strbuf_addstr(&local, branch_get_color(BRANCH_COLOR_RESET));
                strbuf_addf(&local, " %s ", obname.buf);
 
                if (filter->verbose > 1)