trivial: Fix fu_efivar_set_data() gtk-doc header
trivial: Fix fu_efivar_set_data() gtk-doc header

fwupd/fwupd,hughsie/fwupd,fwupd/fwupd,hughsie/fwupd,fwupd/fwupd,fwupd/fwupd,hughsie/fwupd,hughsie/fwupd