widget/Inline: use UnusedHoldIstreamPtr instead of istream_hold_new()
widget/Inline: use UnusedHoldIstreamPtr instead of istream_hold_new()
CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy