core: Do not access freed structure
core: Do not access freed structure

Save the value in a variable because the struct can be freed.

kyoushuu/grilo,kyoushuu/grilo,jasuarez/grilo,MathieuDuponchelle/grilo,grilofw/grilo,GNOME/grilo,MathieuDuponchelle/grilo,kyoushuu/grilo,jasuarez/grilo,grilofw/grilo,kyoushuu/grilo,grilofw/grilo,jasuarez/grilo,MathieuDuponchelle/grilo,GNOME/grilo