Log Message:
-----------
Thinko in previous commit: ensure that MAX_SEND_SIZE is always greater
than XLOG_BLCKSZ, by defining it as 16 * XLOG_BLCKSZ rather than directly
as 128k bytes.
Modified Files:
--------------
pgsql/src/backend/replication:
walsender.c (r1.21 -> r1.22)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/replication/walsender.c?r1=1.21&r2=1.22)