Log Message:
-----------
Avoid infinite loop in InvalidateBuffer if we ourselves are holding
a pin on the victim buffer.
Modified Files:
--------------
pgsql/src/backend/storage/buffer:
bufmgr.c (r1.186 -> r1.187)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/buffer/bufmgr.c.diff?r1=1.186&r2=1.187)