Comment 1 for bug 1390011

This is an issue with gedit-encodings-combobox chaining up to constructed() too late. Fixed in 3.14 [1]. Let's backport that if we decide to stay with 3.10.

[1] https://git.gnome.org/browse/gedit/commit/?id=f012999aebefd226fa04a35b71506d4b67dd99dd