git: openjdk/jdk17u-dev: 8015739: Background of JInternalFrame is located out of JInternalFrame

[Goetz Lindenmaier]

Changeset: 7fb1fb0f
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2024-03-19 14:00:55 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/7fb1fb0fa6bfb8258ac0191611f445b83a23408e

8015739: Background of JInternalFrame is located out of JInternalFrame

Backport-of: f857f795a9fc8b116bfc6b039114051061950e28

! src/java.desktop/share/classes/javax/swing/plaf/metal/MetalBorders.java
+ test/jdk/javax/swing/JInternalFrame/InternalFrameBorderTest.java