Fix record interal
Fix record interal

- it should work if set. No matter record mode is.

sergey-dryabzhinsky/nginx-rtmp-module,sergey-dryabzhinsky/nginx-rtmp-module,UweM/nginx-rtmp-module,sergey-dryabzhinsky/nginx-rtmp-module,UweM/nginx-rtmp-module,UweM/nginx-rtmp-module