pgsql: Fix AfterTriggerExecute() to pass tg_trigtuple and tg_newtuple as

Log Message:
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Fix AfterTriggerExecute() to pass tg_trigtuple and tg_newtuple as NULLs
rather than pointers to garbage, when calling AFTER STATEMENT triggers.
Michael Fuhr

Modified Files:
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pgsql/src/backend/commands:
trigger.c (r1.205 -> r1.206)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/trigger.c.diff?r1=1.205&r2=1.206)