LUCENE-843: change public -> package protected for two advanced static methods on SegmentReader used only during merging
LUCENE-843: change public -> package protected for two advanced static methods on SegmentReader used only during merging

git-svn-id: 4c5078813df38efa56971a28e09a55254294f104@593114 13f79535-47bb-0310-9956-ffa450edef68

tokee/lucene,tokee/lucene,tokee/lucene,tokee/lucene