[CODEC-174] Apply patch https://issues.apache.org/jira/secure/attachment/12612178/CODEC-174-reuse-set-in-PhonemeBuilder.patch. Thanks to Thomas Champagne.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1539788 13f79535-47bb-0310-9956-ffa450edef68