Log Message:
-----------
Update regression output for new prepare transaction error messages.
Modified Files:
--------------
pgsql/src/test/regress/expected:
prepared_xacts.out (r1.3 -> r1.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/expected/prepared_xacts.out.diff?r1=1.3&r2=1.4)