Bug#912455: istack-commons FTBFS with OpenJDK 11

[Adrian Bunk]

Source: istack-commons
Version: 3.0.6-2
Severity: serious
Tags: ftbfs

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

...
[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] /build/1st/istack-commons-3.0.6/istack-commons/runtime/src/main/java/module-info.java:[44,29] module not found: java.activation
[INFO] 1 error