Only set GTLS errors when errors have occurred
Only set GTLS errors when errors have occurred

https://bugzilla.gnome.org/show_bug.cgi?id=648687

Distrotech/glib-networking,GNOME/glib-networking,GNOME/glib-networking,Distrotech/glib-networking,GNOME/glib-networking,Distrotech/glib-networking