Thread: pgsql: Properly detoast access to bytea field pg_trigger.tgargs.

Log Message:
-----------
Properly detoast access to bytea field pg_trigger.tgargs.  Old code
might cause server crash.

Backpatch to 8.2.X.

Tags:
----
REL8_2_STABLE

Modified Files:
--------------
    pgsql/src/backend/commands:
        tablecmds.c (r1.206 -> r1.206.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/tablecmds.c.diff?r1=1.206&r2=1.206.2.1)
        trigger.c (r1.210 -> r1.210.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/trigger.c.diff?r1=1.210&r2=1.210.2.1)
    pgsql/src/backend/utils/adt:
        ruleutils.c (r1.235 -> r1.235.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/ruleutils.c.diff?r1=1.235&r2=1.235.2.1)