Bug#894288: insubstantial FTBFS with openjdk-9

[Adrian Bunk]

Source: insubstantial
Version: 7.3+dfsg3-2
Severity: serious
Tags: buster sid

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/insubstantial.html

...
/build/1st/insubstantial-7.3+dfsg3/substance/src/main/java/org/pushingpixels/substance/internal/utils/SubstanceCoreUtilities.java:46: error: package com.sun.awt is not visible
import com.sun.awt.AWTUtilities;
              ^
  (package com.sun.awt is declared in module java.desktop, which does not export it)
/build/1st/insubstantial-7.3+dfsg3/substance/src/main/java/org/pushingpixels/substance/internal/ui/SubstanceRootPaneUI.java:87: error: package com.sun.awt is not visible
import com.sun.awt.AWTUtilities;
              ^
  (package com.sun.awt is declared in module java.desktop, which does not export it)
/build/1st/insubstantial-7.3+dfsg3/substance/src/main/java/org/pushingpixels/substance/internal/contrib/randelshofer/quaqua/QuaquaUtilities.java:22: error: package java.awt.peer is not visible
import java.awt.peer.*;
               ^
  (package java.awt.peer is declared in module java.desktop, which does not export it)
3 errors