git: openjdk/jdk13u-dev: 8225773: jdeps --check produces NPE if there is any missing module dependence

[Yuri Nesterenko]

Changeset: ebb6843d
Author:    Yuri Nesterenko <yan at openjdk.org>
Date:      2021-05-20 13:55:03 +0000
URL:       https://git.openjdk.java.net/jdk13u-dev/commit/ebb6843d23a41f65e1d9dea39a47e9a9e73b69b0

8225773: jdeps --check produces NPE if there is any missing module dependence

Backport-of: fe8e1aacd16e4a0d3638550f7a28c4a9ff116e04

! src/jdk.jdeps/share/classes/com/sun/tools/jdeps/JdepsTask.java
! src/jdk.jdeps/share/classes/com/sun/tools/jdeps/ModuleAnalyzer.java
! test/langtools/tools/jdeps/missingDeps/MissingDepsTest.java
! test/langtools/tools/jdeps/modules/CheckModuleTest.java