[xmlunit/xmlunit] a077d6: fix javadocs

[Stefan B. <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/xmlunit/xmlunit
  Commit: a077d6ffe9b386fa57b8213d3ab18bf189a35476
      https://github.com/xmlunit/xmlunit/commit/a077d6ffe9b386fa57b8213d3ab18bf189a35476
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2020-05-09 (Sat, 09 May 2020)

  Changed paths:
    M xmlunit-placeholders/src/main/java/org/xmlunit/placeholder/PlaceholderDifferenceEvaluator.java

  Log Message:
  -----------
  fix javadocs