Set DDPF_FOURCC flag when using DX10 container. Fixes issue 165.
Set DDPF_FOURCC flag when using DX10 container. Fixes issue 165.

ycwn/nvidia-texture-tools,grendizerufo/nvidia-texture-tools,sarbian/nvidia-texture-tools,ycwn/nvidia-texture-tools,ycwn/nvidia-texture-tools,sheuan/nvidia-texture-tools,fshp/nvidia-texture-tools,DontYouWantaFanta/nvidia-texture-tools,sheuan/nvidia-texture-tools,DontYouWantaFanta/nvidia-texture-tools,DontYouWantaFanta/nvidia-texture-tools,timur-losev/nvidia-texture-tools,timur-losev/nvidia-texture-tools,sarbian/nvidia-texture-tools,sarbian/nvidia-texture-tools,fshp/nvidia-texture-tools,ycwn/nvidia-texture-tools,neoragex2015/nvidia-texture-tools,neoragex2015/nvidia-texture-tools,sheuan/nvidia-texture-tools,timur-losev/nvidia-texture-tools,grendizerufo/nvidia-texture-tools,sheuan/nvidia-texture-tools,sarbian/nvidia-texture-tools,grendizerufo/nvidia-texture-tools,neoragex2015/nvidia-texture-tools,neoragex2015/nvidia-texture-tools,fshp/nvidia-texture-tools,fshp/nvidia-texture-tools,grendizerufo/nvidia-texture-tools,timur-losev/nvidia-texture-tools,DontYouWantaFanta/nvidia-texture-tools