compat: Add simplified merge sort implementation from glibc

diff --git a/builtin-branch.c b/builtin-branch.c
index c64768beb2c112fc32a65fb4070f01331ebf1540..089cae59299659b20359b7249e57ddc3a43ded06 100644 (file)
--- a/builtin-branch.c
+++ b/builtin-branch.c
@@ -65,7 +65,7 @@ static int parse_branch_color_slot(const char *var, int ofs)
 static int git_branch_config(const char *var, const char *value)
 {
        if (!strcmp(var, "color.branch")) {
-               branch_use_color = git_config_colorbool(var, value);
+               branch_use_color = git_config_colorbool(var, value, -1);
                return 0;
        }
        if (!prefixcmp(var, "color.branch.")) {