Align with latest Gerrit stable-2.10

We need to use RevWalk.close() as the latest 2.10 includes
a JGit memory leak fix that removed the release() method.

Change-Id: Ib5f3892ac661cf0819d9c0a56c3533d984047f99
1 file changed
tree: ab3d695acc7e5762df2b9231e581ac48c354fc3f
  1. lib/
  2. src/
  3. tools/
  4. .buckconfig
  5. .gitignore
  6. BUCK
  7. LICENSE
  8. pom.xml
  9. VERSION