FreeBSD LLDB buildbot fails after clang r197430

I haven't done any investigation yet beyond looking at the build
history to track down the change.

After clang r197430 ("Clang DataLayout string cleanup: don't print the
pointer defaults.") 16 tests started failing on the FreeBSD LLDB
buildbot.

http://llvm-amd64.freebsd.your.org:8010/builders/lldb-amd64-freebsd/builds/1644