tracker: Fix a couple of typos
tracker: Fix a couple of typos

Signed-off-by: Juan A. Suarez Romero <af79b5692270b306571bb1d8bbe0285ae3ac93d9@igalia.com>

grilofw/grilo-plugins,vrutkovs/grilo-plugins,jasuarez/grilo-plugins,vrutkovs/grilo-plugins,kyoushuu/grilo-plugins,MikePetullo/grilo-plugins,GNOME/grilo-plugins,kyoushuu/grilo-plugins,jasuarez/grilo-plugins,vrutkovs/grilo-plugins,GNOME/grilo-plugins,vrutkovs/grilo-plugins,MathieuDuponchelle/grilo-plugins,MikePetullo/grilo-plugins,MathieuDuponchelle/grilo-plugins,MikePetullo/grilo-plugins,grilofw/grilo-plugins,kyoushuu/grilo-plugins,MathieuDuponchelle/grilo-plugins,MathieuDuponchelle/grilo-plugins