mDNS: Upgrading the container_of.h that was backported from src/common in master
mDNS: Upgrading the container_of.h that was backported from src/common in master

A newer version is present in master and this commit makes the upgrade

tdz/olsrd,zioproto/olsrd,nolith/olsrd,diogomg/olsrd-binary-heap,diogomg/olsrd-binary-heap,cholin/olsrd,acinonyx/olsrd,tdz/olsrd,sebkur/olsrd,nolith/olsrd,ninuxorg/olsrd,tdz/olsrd,diogomg/olsrd-binary-heap,zioproto/olsrd,sebkur/olsrd,diogomg/olsrd,sebkur/olsrd,ninuxorg/olsrd,ninuxorg/olsrd,diogomg/olsrd-binary-heap,cholin/olsrd,diogomg/olsrd,zioproto/olsrd,acinonyx/olsrd,acinonyx/olsrd,diogomg/olsrd-binary-heap,nolith/olsrd,diogomg/olsrd,diogomg/olsrd-binary-heap,ninuxorg/olsrd,diogomg/olsrd,sebkur/olsrd,sebkur/olsrd,nolith/olsrd,zioproto/olsrd,tdz/olsrd,diogomg/olsrd,nolith/olsrd,acinonyx/olsrd,cholin/olsrd,sebkur/olsrd,tdz/olsrd,cholin/olsrd,zioproto/olsrd,diogomg/olsrd,cholin/olsrd,diogomg/olsrd-binary-heap,acinonyx/olsrd,diogomg/olsrd,ninuxorg/olsrd