http://www.berklix.com/~jhs/src/bsd/fixes/FreeBSD/src/gen/etc/services.audionews.REL=CURRENT.diff
By { 12.0-ALPHA8 & 12.1-RELEASE & 2018-11-06 13.0-CURRENT } 
etc/services had moved to usr.sbin/services_mkdb/services

Not needed for 6.4-RELEASE

*** 13.0-CURRENT/src/usr.sbin/services_mkdb/services	Sat Nov 10 16:16:36 CET 2018
--- new/src/usr.sbin/services_mkdb/services	Sat Nov 10 16:16:36 CET 2018
***************
*** 218,223 ****
--- 225,232 ----
  mcidas		112/udp	   #McIDAS Data Transmission Protocol
  auth		113/tcp	   ident tap	#Authentication Service
  auth		113/udp	   ident tap	#Authentication Service
+ audionews	114/tcp    #Audio News Multicast
+ audionews	114/udp    #Audio News Multicast
  sftp		115/tcp	   #Simple File Transfer Protocol
  sftp		115/udp	   #Simple File Transfer Protocol
  ansanotify	116/tcp	   #ANSA REX Notify