Adel Gadllah 331c73002f background: Disconnect settings signal handler on destroy
We connect to the changed signal in _init() but never actually disconnect from
it. The callback has a reference to "this" which results into the background
object not getting garbage collected.

Fix that leaks by disconnecting in _destroy()

https://bugzilla.gnome.org/show_bug.cgi?id=709263
2013-10-02 15:44:57 +02:00
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