[DirectWrite] Fix bug in FontFile.ReferenceKey property
[DirectWrite] Fix bug in FontFile.ReferenceKey property

PavelBrokhman/SharpDX,shoelzer/SharpDX,jwollen/SharpDX,VirusFree/SharpDX,Ixonos-USA/SharpDX,davidlee80/SharpDX-1,shoelzer/SharpDX,davidlee80/SharpDX-1,dazerdude/SharpDX,weltkante/SharpDX,jwollen/SharpDX,RobyDX/SharpDX,jwollen/SharpDX,waltdestler/SharpDX,sharpdx/SharpDX,dazerdude/SharpDX,VirusFree/SharpDX,PavelBrokhman/SharpDX,shoelzer/SharpDX,jwollen/SharpDX,waltdestler/SharpDX,weltkante/SharpDX,andrewst/SharpDX,PavelBrokhman/SharpDX,fmarrabal/SharpDX,wyrover/SharpDX,wyrover/SharpDX,andrewst/SharpDX,TigerKO/SharpDX,VirusFree/SharpDX,manu-silicon/SharpDX,manu-silicon/SharpDX,waltdestler/SharpDX,andrewst/SharpDX,shoelzer/SharpDX,davidlee80/SharpDX-1,RobyDX/SharpDX,sharpdx/SharpDX,manu-silicon/SharpDX,RobyDX/SharpDX,manu-silicon/SharpDX,TechPriest/SharpDX,RobyDX/SharpDX,TigerKO/SharpDX,wyrover/SharpDX,TigerKO/SharpDX,shoelzer/SharpDX,Ixonos-USA/SharpDX,weltkante/SharpDX,sharpdx/SharpDX,mrvux/SharpDX,TechPriest/SharpDX,weltkante/SharpDX,PavelBrokhman/SharpDX,dazerdude/SharpDX,TechPriest/SharpDX,TigerKO/SharpDX,wyrover/SharpDX,Ixonos-USA/SharpDX,davidlee80/SharpDX-1,waltdestler/SharpDX,TechPriest/SharpDX,fmarrabal/SharpDX,fmarrabal/SharpDX,Ixonos-USA/SharpDX,fmarrabal/SharpDX,dazerdude/SharpDX,VirusFree/SharpDX,mrvux/SharpDX,mrvux/SharpDX