[core] Fix build error when -DSRT_DEBUG_TRACE_DRIFT=1
[core] Fix build error when -DSRT_DEBUG_TRACE_DRIFT=1

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