[zanata/zanata-server] e47284: fix(ZNTA-1060): avoid NPE in DuplicateParamFilter

[GitHub]

  Branch: refs/heads/ZNTA-1060-fix-npe
  Home:   https://github.com/zanata/zanata-server
  Commit: e472845071036dd44d29a774e05396ca4d49308d
      https://github.com/zanata/zanata-server/commit/e472845071036dd44d29a774e05396ca4d49308d
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2016-05-04 (Wed, 04 May 2016)

  Changed paths:
    M zanata-war/src/main/java/org/zanata/servlet/DuplicateParamFilter.java

  Log Message:
  -----------
  fix(ZNTA-1060): avoid NPE in DuplicateParamFilter