pgsql-server: Can't truncate pg_subtrans during a recovery checkpoint

Log Message:
-----------
Can't truncate pg_subtrans during a recovery checkpoint --- subtrans
module isn't fully initialized yet.

Modified Files:
--------------
pgsql-server/src/backend/access/transam:
xlog.c (r1.163 -> r1.164)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/access/transam/xlog.c.diff?r1=1.163&r2=1.164)