Log Message:
-----------
Fix miscalculation of stats collector's write delay, introduced in revision 1.117.
Modified Files:
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pgsql/src/backend/postmaster:
pgstat.c (r1.147 -> r1.148)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/pgstat.c.diff?r1=1.147&r2=1.148)