textsearch-ja - textsearch_senna: Fix a bug that the second or later

Log Message:
-----------
Fix a bug that the second or later conditions had been ignored.

Reported and fixed by Hitoshi Harada.

The change also fixes other two bugs:
- Memory leak when converting a LIKE query into a senna query.
- Words that contain senna meta characters were treated wrongly.

Modified Files:
--------------
textsearch_senna:
Makefile (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch_senna/Makefile?r1=1.3&r2=1.4)
textsearch_senna.c (r1.12 -> r1.13)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch_senna/textsearch_senna.c?r1=1.12&r2=1.13)
textsearch_senna/expected:
textsearch_senna.out (r1.8 -> r1.9)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch_senna/expected/textsearch_senna.out?r1=1.8&r2=1.9)
textsearch_senna/msvc:
lib.vcproj (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch_senna/msvc/lib.vcproj?r1=1.1&r2=1.2)
readme.txt (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch_senna/msvc/readme.txt?r1=1.1&r2=1.2)
textsearch_senna/pgut:
pgut-be.c (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch_senna/pgut/pgut-be.c?r1=1.1&r2=1.2)
pgut-be.h (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch_senna/pgut/pgut-be.h?r1=1.1&r2=1.2)
textsearch_senna/sql:
textsearch_senna.sql (r1.8 -> r1.9)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/textsearch-ja/textsearch_senna/sql/textsearch_senna.sql?r1=1.8&r2=1.9)