4.22 update for org.eclipse.compare

For https://git.eclipse.org/r/c/platform/eclipse.platform.team/+/183555/

Change-Id: Ibff88e2a2b2473799b0c407569769edd8228593c
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.team/+/185295
Tested-by: Platform Bot <platform-bot@eclipse.org>