Log Message:
-----------
StrategyDirtyBufferList wasn't being careful to honor max_buffers limit.
Bug is only latent given that sole caller is passing NBuffers, but it
could bite someone in the rear someday.
Modified Files:
--------------
pgsql-server/src/backend/storage/buffer:
freelist.c (r1.44 -> r1.45)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/storage/buffer/freelist.c.diff?r1=1.44&r2=1.45)