Oh sorry I did not say how to apply it (also it's not really clean). See the new patch in attachment.
To apply it, execute the following commands from a terminal:
$ apt-get source software-properties-kde
$ cd software-properties-0.80.8
$ patch -p1 < patch.diff
Now execute software-properties-kde locally from this directory:
$ kdesudo ./software-properties-kde
Oh sorry I did not say how to apply it (also it's not really clean). See the new patch in attachment.
To apply it, execute the following commands from a terminal: properties- kde properties- 0.80.8
$ apt-get source software-
$ cd software-
$ patch -p1 < patch.diff
Now execute software- properties- kde locally from this directory: properties- kde
$ kdesudo ./software-
It should not crash anymore