ticket:7912: more review comments


git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@34428 251d0590-4201-4cf1-90de-194747b24ca1
ticket:7912: one last (?) review comment


git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@34436 251d0590-4201-4cf1-90de-194747b24ca1