Fix ts_rank_cd() to ignore stripped lexemes

Bruce Momjian <bruce@momjian.us>

Commit: 1420f3a9827a39e5c6c998f6fa35a6fc97903145
Author: Bruce Momjian <bruce@momjian.us>
Date: 2014-03-24T18:37:16Z
Releases: 9.4.0
Fix ts_rank_cd() to ignore stripped lexemes

Previously, stripped lexemes got a default location and could be
considered if mixed with non-stripped lexemes.

BACKWARD INCOMPATIBILITY CHANGE

Files