FreeBSD_HEAD - Build #3136 - Fixed

[jenkins-admin at FreeBSD.org]

FreeBSD_HEAD - Build #3136 - Fixed:

Build information: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD/3136/
Full change log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD/3136/changes
Full build log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD/3136/console

Change summaries:

287218 by jmg:
add documentation for timers that silby added in r197244, almost 6 years
ago...

287217 by delphij:
die() would never return, mark it as so.

MFC after:	2 weeks

287216 by ume:
Move setting of LDFLAGS to the modules which require it actually, as
other kerberos5 modules do so.