K 10
svn:author
V 6
adrian
K 8
svn:date
V 27
2020-10-14T00:01:17.411620Z
K 7
svn:log
V 405
[traceroute6] Don't do the casper bits when we're not doing casper

This with the previous patch I committed makes traceroute6/traceroute
compile fine when libcasper isn't enabled.

This complains strongly with unused variables and such when compiled
with gcc-6 on mips32.

Tested:

* compiled/run on mips32 hardware (AR9344)

Reviewed by:	emaste
Differential Revision: https://reviews.freebsd.org/D26773

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