Merge branch 'stable-4.9' into stable-4.10

* stable-4.9:
  ObjectChecker#getGitsubmodules: Fix malformed javadoc

Change-Id: I847bdb9ef2b9e733c79489577b8b6e852ce6abf3
Signed-off-by: Jonathan Nieder <jrn@google.com>

diff --cc org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectChecker.java
Simple merge