hg: jdk8u/jdk8u-dev/jdk: 8218020: Fix version number in mesa.md 3rd party legal file

[rkennke at redhat.com]

Changeset: 1a6dd9f6d6c1
Author:    rkennke
Date:      2019-05-28 18:51 +0200
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/jdk/rev/1a6dd9f6d6c1

8218020: Fix version number in mesa.md 3rd party legal file
Reviewed-by: clanger

! THIRD_PARTY_README
+ test/java/awt/BasicStroke/DashScaleMinWidth.java
+ test/java/awt/BasicStroke/DashZeroWidth.java