Update JGit to 0.8.4.88-ge64cb03

This fixes an issue with rename detection computing the wrong number
of common blocks between files.

Change-Id: Ib0a03a9d93e267bba5fab2c4c8f5ce8335d6b10b
Signed-off-by: Shawn O. Pearce <sop@google.com>
1 file changed