Makefile: don't error out under DC_SHA1_EXTERNAL if DC_SHA1_SUBMODULE=auto

diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index d366e8e7b369bfc500cfc8a06db0638a22b43ee0..2086f0eb089b34bd38b2a4f47ae4b710b7cb0ba1 100644 (file)
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -1382,7 +1382,7 @@ static int push_check(int argc, const char **argv, const char *prefix)
        argv++;
        argc--;
        /* Get the submodule's head ref and determine if it is detached */
-       head = resolve_refdup("HEAD", 0, head_oid.hash, NULL);
+       head = resolve_refdup("HEAD", 0, &head_oid, NULL);
        if (!head)
                die(_("Failed to resolve HEAD as a valid ref."));
        if (!strcmp(head, "HEAD"))