Fix site:site build on OpenJDK 11.0.2
Fix site:site build on OpenJDK 11.0.2

ashleyfrieze/junit,ashleyfrieze/junit,junit-team/junit4,junit-team/junit4,kcooney/junit,stefanbirkner/junit,panchenko/junit,kcooney/junit,stefanbirkner/junit,junit-team/junit,panchenko/junit,junit-team/junit,stefanbirkner/junit,ashleyfrieze/junit,junit-team/junit4,panchenko/junit,kcooney/junit,junit-team/junit