bk: 46590ea4xN6JJDZwqhnvBzIo62oD9g
Focus: bug fix.
+[Bug 795] Moved declaration of variable to top of function.
+[Bug 789] Fix multicast client crypto authentication and make sure arriving
+ multicast packets do not disturb the autokey dance.
+[Bug 785] improve handling of multicast interfaces
+ (multicast routers still need to run a multicast routing
+ software/daemon)
[Bug 527] Don't write from source address length to wrong location (Windows).
(Upgraded autogen and libopts.)
[Bug 811] ntpd should not read a .ntprc file.