Fix compiler warning about implicit self

Fix compiler warning about implicit self

Merge pull request monal-im#731 from monal-im/5.0.1rc8-0.1

5.0.1rc8-0.1

Merge pull request monal-im#732 from monal-im/beta

Monal 5.0.1

Merge pull request monal-im#731 from monal-im/5.0.1rc8-0.1

5.0.1rc8-0.1

Merge pull request monal-im#730 from monal-im/beta

Monal 5.0.1

Merge pull request monal-im#729 from monal-im/5.0.1rc8-0.0

5.0.1rc8-0.0

Merge pull request monal-im#678 from monal-im/beta

Monal 5.0.1

Merge pull request monal-im#727 from monal-im/5.0.1rc7-2.0

Fix jingle

Merge pull request monal-im#725 from monal-im/5.0.1rc6-3.0

5.0.1rc6 3.0