Log Message:
-----------
Fix problems in pg_autovacuum:
1) temp table crash
2) Check send_query() function call return value.
Backpatch to 7.4.X.
Modified Files:
--------------
pgsql-server/contrib/pg_autovacuum:
pg_autovacuum.c (r1.17 -> r1.18)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/pg_autovacuum/pg_autovacuum.c.diff?r1=1.17&r2=1.18)
pg_autovacuum.h (r1.9 -> r1.10)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/pg_autovacuum/pg_autovacuum.h.diff?r1=1.9&r2=1.10)