FreeBSD_stable_9 - Build #1227 - Fixed

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FreeBSD_stable_9 - Build #1227 - Fixed:

Build information: https://jenkins.FreeBSD.org/job/FreeBSD_stable_9/1227/
Full change log: https://jenkins.FreeBSD.org/job/FreeBSD_stable_9/1227/changes
Full build log: https://jenkins.FreeBSD.org/job/FreeBSD_stable_9/1227/console

Change summaries:

309860 by dim:
Fix libllvmanalysis build failure after r309857: on stable/9, llvm is
compiled by gcc, and without -std=c++11, so the nullptr keyword is
unknown.  Use the old-school plain zero syntax instead.