Added NoConfig fallback value on configuration types.
Added NoConfig fallback value on configuration types.

This fixes the build for me in Linux.

godbyk/OSVR-Core,leemichaelRazer/OSVR-Core,leemichaelRazer/OSVR-Core,feilen/OSVR-Core,OSVR/OSVR-Core,Armada651/OSVR-Core,OSVR/OSVR-Core,leemichaelRazer/OSVR-Core,leemichaelRazer/OSVR-Core,d235j/OSVR-Core,Armada651/OSVR-Core,feilen/OSVR-Core,OSVR/OSVR-Core,OSVR/OSVR-Core,Armada651/OSVR-Core,OSVR/OSVR-Core,d235j/OSVR-Core,godbyk/OSVR-Core,d235j/OSVR-Core,godbyk/OSVR-Core,godbyk/OSVR-Core,godbyk/OSVR-Core,Armada651/OSVR-Core,Armada651/OSVR-Core,OSVR/OSVR-Core,feilen/OSVR-Core,godbyk/OSVR-Core,feilen/OSVR-Core,d235j/OSVR-Core,feilen/OSVR-Core,d235j/OSVR-Core,leemichaelRazer/OSVR-Core