[xmlunit/xmlunit] d156f9: fix since tag

[GitHub <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/xmlunit/xmlunit
  Commit: d156f94aecf85c57a72830a077bf2aa64ceb5fbd
      https://github.com/xmlunit/xmlunit/commit/d156f94aecf85c57a72830a077bf2aa64ceb5fbd
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2018-04-16 (Mon, 16 Apr 2018)

  Changed paths:
    M xmlunit-core/src/main/java/org/xmlunit/validation/ParsingValidator.java

  Log Message:
  -----------
  fix since tag