Log Message:
-----------
Use postgres-wide macros BITS_PER_BYTE instead self-definenig macros, also use it for calculating bit length of TPQTGist
Modified Files:
--------------
pgsql/contrib/tsearch2:
gistidx.h (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/gistidx.h.diff?r1=1.4&r2=1.5)
query_gist.c (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/query_gist.c.diff?r1=1.2&r2=1.3)