Check for the sockaddr_un.sun_len member instead of hardcoding list of operating systems where it is present.
Check for the sockaddr_un.sun_len member instead of hardcoding list of
operating systems where it is present.

kiryu/rtpproxy,Vocalocity/rtpproxy-pre,miconda/rtpproxy,Vocalocity/rtpproxy-pre,dsanders11/rtpproxy,hongbinz/rtpproxy,synety-jdebp/rtpproxy,synety-jdebp/rtpproxy,Vocalocity/rtpproxy-pre,hongbinz/rtpproxy,gtkiller/rtpproxyd,sippy/rtpproxy,synety-jdebp/rtpproxy,sippy/rtpproxy,Vocalocity/rtpproxy-pre,sippy/rtpproxy,mab-netdev/rtpproxy,mab-netdev/rtpproxy,jevonearth/rtpproxy,jevonearth/rtpproxy,DrumTechnologiesLtd/rtpproxy,mab-netdev/rtpproxy,viraptor/RTPproxy,gtkiller/rtpproxyd,viraptor/RTPproxy,dsanders11/rtpproxy,synety-jdebp/rtpproxy,hongbinz/rtpproxy,dsanders11/rtpproxy,DrumTechnologiesLtd/rtpproxy,jevonearth/rtpproxy,jevonearth/rtpproxy,miconda/rtpproxy,DrumTechnologiesLtd/rtpproxy,miconda/rtpproxy,hongbinz/rtpproxy,kiryu/rtpproxy,kiryu/rtpproxy