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)
