Merge branch 'stable-6.10' into stable-7.0

* stable-6.10:
  DiffDriver: fix doc for rust built-in
  DiffDriver: fix formatting of javadoc
  Add numberOfObjectsSinceBitmap to RepoStatistics
  Support built-in diff drivers for hunk header function names
  Don't fail when trying to prune pack which is already gone
  Rename numberOfPackFilesAfterBitmap to numberOfPackFilesSinceBitmap

Change-Id: I7f18e96cc98c56ee7c5e6256fe9e83957e733aa8

diff --cc org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/GC.java
Simple merge