Log Message:
-----------
Hotfix for expression indexes.
Modified Files:
--------------
textsearch_senna:
textsearch_senna.c (r1.17 -> r1.18)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch_senna/textsearch_senna.c?r1=1.17&r2=1.18)