Fix the building errors #21

Job	Run time
build / build (ENABLE_CUDA=true stt-linux-amd64, stt-linux-amd64-cuda)	9m 2s
build / build (subtitleswindow-windows-amd64, subtitleswindow-windows-amd64-cpu)	10m 32s
build / build (subtitleswindow-linux-amd64, subtitleswindow-linux-amd64-cpu)	6m 50s
build / build (stt-linux-amd64, stt-linux-amd64-cpu)	4m 31s
build / build (sttd-linux-amd64, sttd-linux-amd64-cpu)	4m 31s
build / build (ENABLE_CUDA=true subtitleswindow-linux-amd64, subtitleswindow-linux-amd64-cuda)	11m 37s
build / build (ENABLE_CUDA=true sttd-linux-amd64, sttd-linux-amd64-cuda)	9m 28s
build / build (ENABLE_CUDA=true subtitleswindow-windows-amd64, subtitleswindow-windows-amd64-cuda)	11m 57s
rolling-release	24s
	1h 8m 52s

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