[7u-dev] RFA: 8029837: NPE seen in XMLDocumentFragmentScannerImpl.setProperty since 7u40b33

[Aleksej Efimov]

Hello,

Please approve a straight-forward backport of 8029837 fix [1] to JDK 
7u-dev.
Changesets applies cleanly, new regression test fails without the fix 
and passes on 7u-dev build with applied fix .

Thank you,
Aleksej

[1] JDK9 changesets:
http://hg.openjdk.java.net/jdk9/dev/jaxp/rev/165307afc816
http://hg.openjdk.java.net/jdk9/dev/jdk/rev/11580fe518bb
[2] Review thread: 
http://mail.openjdk.java.net/pipermail/core-libs-dev/2014-July/027946.html
[3] JBS bug: https: https://bugs.openjdk.java.net/browse/JDK-8029837