Log Message:
-----------
Fix typo in typecasting.
patch from ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>
Modified Files:
--------------
pgsql/src/backend/utils/adt:
tsrank.c (r1.6 -> r1.7)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/tsrank.c?r1=1.6&r2=1.7)