builtin/log.c: Fix an "Using plain integer as NULL pointer" warning

Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/log.c b/builtin/log.c
index e80a925b7b521415b92851222e6a869620a1ff22..4395f3e47168b2b6274026867bddb472dc244f36 100644 (file)
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -1040,7 +1040,7 @@ static char *find_branch_name(struct rev_info *rev)
        if (positive < 0)
                return NULL;
        strbuf_addf(&buf, "refs/heads/%s", rev->cmdline.rev[positive].name);
-       branch = resolve_ref(buf.buf, branch_sha1, 1, 0);
+       branch = resolve_ref(buf.buf, branch_sha1, 1, NULL);
        if (!branch ||
            prefixcmp(branch, "refs/heads/") ||
            hashcmp(rev->cmdline.rev[positive].item->sha1, branch_sha1))