Log Message:
-----------
Fix no-longer-correct bit-pushing in TransactionIdSetStatus, per Alvaro.
Modified Files:
--------------
pgsql-server/src/backend/access/transam:
clog.c (r1.21 -> r1.22)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/access/transam/clog.c.diff?r1=1.21&r2=1.22)