[build] Fix build on GNU/Hurd
[build] Fix build on GNU/Hurd

Haivision/srt,ethouris/srt,Cinegy/srt,Haivision/srt,ethouris/srt,Cinegy/srt,Cinegy/srt,ethouris/srt,Cinegy/srt,Haivision/srt,ethouris/srt,Haivision/srt