Log Message:
-----------
Make sure we don't skip databases that are supposed to be vacuumed "exactly
now". This can happen if the time granularity is not very high.
Per ITAGAKI Takahiro.
Modified Files:
--------------
pgsql/src/backend/postmaster:
autovacuum.c (r1.45 -> r1.46)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/autovacuum.c.diff?r1=1.45&r2=1.46)