FreeBSD_stable_9 - Build #1119 - Fixed

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FreeBSD_stable_9 - Build #1119 - Fixed:

Build information: https://jenkins.FreeBSD.org/job/FreeBSD_stable_9/1119/
Full change log: https://jenkins.FreeBSD.org/job/FreeBSD_stable_9/1119/changes
Full build log: https://jenkins.FreeBSD.org/job/FreeBSD_stable_9/1119/console

Change summaries:

300053 by avg:
pick up specialreg.h changes from r273338 to fix r300037

The original change applies to x86 family of platforms, in this branch
it's only for amd64 where it is really required.

This is a direct commit.

Reported by:	Eugene Grosbein <eugen at grosbein.net>