Log Message:
-----------
Update URL to Ross William's paper.
Devrim Gunduz.
Modified Files:
--------------
pgsql/src/backend/utils/hash:
pg_crc.c (r1.19 -> r1.20)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/hash/pg_crc.c?r1=1.19&r2=1.20)