FreeBSD_STABLE_10-i386 - Build #689 - Fixed

[jenkins-admin at FreeBSD.org]

FreeBSD_STABLE_10-i386 - Build #689 - Fixed:

Build information: https://jenkins.FreeBSD.org/job/FreeBSD_STABLE_10-i386/689/
Full change log: https://jenkins.FreeBSD.org/job/FreeBSD_STABLE_10-i386/689/changes
Full build log: https://jenkins.FreeBSD.org/job/FreeBSD_STABLE_10-i386/689/console

Change summaries:

291647 by royger:
Revert MFC of r291023:

Due to the delta between HEAD and stable/10 event channel code, this fix is
not needed on stable/10 and was also causing build issues. Revert it.