[xmlunit/xmlunit] 7ff9bd: allow mvn javadoc:aggregate to work on Java7+

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

  Branch: refs/heads/master
  Home:   https://github.com/xmlunit/xmlunit
  Commit: 7ff9bd48e01af84e62c44615878353493be4addc
      https://github.com/xmlunit/xmlunit/commit/7ff9bd48e01af84e62c44615878353493be4addc
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2018-08-07 (Tue, 07 Aug 2018)

  Changed paths:
    M pom.xml

  Log Message:
  -----------
  allow mvn javadoc:aggregate to work on Java7+



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