Qt: Happiness widget not deleted
Qt-client citydialog has one of happiness_widget and prod_unit_splitter attached at a time. The other one is not. One that is not attached to anywhere (has no parent) does not get destroyed automatically by its parent.
S3_0 patch good for S2_6 too.
Qt-client citydialog has one of happiness_widget and prod_unit_splitter attached at a time. The other one is not. One that is not attached to anywhere (has no parent) does not get destroyed automatically by its parent.