[Integrated] RFR: Fix number of context lines between coalesced hunks

[Erik Helin]

Changeset: 32bb9d8b
Author:    Erik Helin <ehelin at openjdk.org>
Date:      2019-10-18 12:14:32 +0000
URL:       https://git.openjdk.java.net/skara/commit/32bb9d8b

Fix number of context lines between coalesced hunks

Reviewed-by: rwestberg

! webrev/src/main/java/org/openjdk/skara/webrev/HunkCoalescer.java