Log Message:
(inputmethod/ibus) Fix recent bulkbuild error, Cannot convert from `void Extension...

extension.vala:54.37-54.56: error: Argument 7:
Cannot convert from `void ExtensionGtk.bus_name_acquired_cb
(GLib.DBusConnection, string, string, string, string, GLib.Variant)'
to `void GLib.DBusSignalCallback
(GLib.DBusConnection, string?, string, string, string, GLib.Variant)'
                                    bus_name_acquired_cb);

See
    3  2020-10-17 13:37  git clone https://github.com/ibus/ibus.git
    4  2020-10-17 13:38  cd ibus/
    5  2020-10-17 13:38  git show dd4cc5b028c35f9bb8f

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