Make sure adding an absolute url for og:image works on https.
Make sure adding an absolute url for og:image works on https.

This previously only worked when linking to an url with a protocol of 4
characters long.

dmoerman/forkcms,Thijzer/forkcms,jonasdekeukelaere/forkcms,jonasdekeukelaere/forkcms,carakas/forkcms,Thijzer/forkcms,bartdc/forkcms,vytsci/forkcms,carakas/forkcms,tommyvdv/forkcms,vytenizs/forkcms,jeroendesloovere/forkcms,jessedobbelaere/forkcms,carakas/forkcms,jonasdekeukelaere/forkcms,sumocoders/forkcms,Katrienvh/forkcms,carakas/forkcms,jacob-v-dam/forkcms,mathiashelin/forkcms,forkcms/forkcms,mathiashelin/forkcms,jacob-v-dam/forkcms,dmoerman/forkcms,jeroendesloovere/forkcms,tommyvdv/forkcms,justcarakas/forkcms,DegradationOfMankind/forkcms,riadvice/forkcms,bartdc/forkcms,jeroendesloovere/forkcms,mathiashelin/forkcms,Katrienvh/forkcms,vytenizs/forkcms,riadvice/forkcms,dmoerman/forkcms,sumocoders/forkcms,Thijzer/forkcms,sumocoders/forkcms,carakas/forkcms,forkcms/forkcms,DegradationOfMankind/forkcms,sumocoders/forkcms,riadvice/forkcms,bartdc/forkcms,forkcms/forkcms,riadvice/forkcms,justcarakas/forkcms,Katrienvh/forkcms,jonasdekeukelaere/forkcms,vytsci/forkcms,jessedobbelaere/forkcms,jeroendesloovere/forkcms,mathiashelin/forkcms,jacob-v-dam/forkcms,jessedobbelaere/forkcms,justcarakas/forkcms,vytsci/forkcms,jacob-v-dam/forkcms,vytenizs/forkcms,forkcms/forkcms,tommyvdv/forkcms,DegradationOfMankind/forkcms,Katrienvh/forkcms,jonasdekeukelaere/forkcms,jessedobbelaere/forkcms,tommyvdv/forkcms,sumocoders/forkcms,DegradationOfMankind/forkcms