r265279 causes gpf at sys/net/route.c:930

[Trond Endrestøl]

Hi,

I updated one of my amd64 base/head VMs this afternoon.
It crashes in rt_expunge(), and I think r265279 is to blame.

If someone's interested, here's the crash report:

http://ximalas.info/~trond/amd64-head-VBOX-crash/r265283/core.txt.0

Another amd64 base/head VM I updated earlier this afternoon, runs 
smoothly at r265275.

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