Improve doc for format-patch threading options.

diff --git a/builtin-send-pack.c b/builtin-send-pack.c
index c375a3dbde0a75af592c8881965f255f66b599d1..47fb9f7baa9ad9c070e1a6d9c245300ba2402ce5 100644 (file)
--- a/builtin-send-pack.c
+++ b/builtin-send-pack.c
@@ -59,7 +59,7 @@ static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *ext
        po.out = fd;
        po.git_cmd = 1;
        if (start_command(&po))
-               die("git pack-objects failed (%s)", strerror(errno));
+               die_errno("git pack-objects failed");
 
        /*
         * We feed the pack-objects we just spawned with revision