Update JGit to 0.7.1.11-g2b6c555

This version supports some newer object validation APIs during
receive pack, which is required for per-branch read permissions.

Change-Id: I5c355991916bb645e57d40615e34930f66d1de11
Signed-off-by: Shawn O. Pearce <sop@google.com>
1 file changed