Make it possible to compile on stock FreeBSD, w/o bulk_net/module/syscall.h.
Make it possible to compile on stock FreeBSD, w/o
bulk_net/module/syscall.h.

jevonearth/rtpproxy,jevonearth/rtpproxy,Vocalocity/rtpproxy-pre,dsanders11/rtpproxy,jevonearth/rtpproxy,hongbinz/rtpproxy,dsanders11/rtpproxy,sippy/rtpproxy,synety-jdebp/rtpproxy,Vocalocity/rtpproxy-pre,hongbinz/rtpproxy,Vocalocity/rtpproxy-pre,sippy/rtpproxy,dsanders11/rtpproxy,Vocalocity/rtpproxy-pre,hongbinz/rtpproxy,synety-jdebp/rtpproxy,jevonearth/rtpproxy,synety-jdebp/rtpproxy,sippy/rtpproxy,hongbinz/rtpproxy,synety-jdebp/rtpproxy