[PATCH] Fix boolean logic in LockFileManager and test it

[Hans Wennborg]

  LGTM


================
Comment at: unittests/Support/LockFileManagerTest.cpp:48
@@ +47,2 @@
+
+} // end anon namespace
----------------
ultra nit: i think "end anonymous namespace" is more common


http://llvm-reviews.chandlerc.com/D1304

BRANCH
  master

ARCANIST PROJECT
  llvm