compat: handle change to enforcesinglehead() signature
4d5e2fd53707 (singlehead: introduce option to restrict to public
changes, 2020-12-05) added a new argument (filtername
) to the
signature. This patch makes us compatible with that.
4d5e2fd53707 (singlehead: introduce option to restrict to public
changes, 2020-12-05) added a new argument (filtername
) to the
signature. This patch makes us compatible with that.