Log Message:
-----------
Fix regression tests to match error message change
Modified Files:
--------------
pgsql/src/pl/plperl/expected:
plperl_init.out (r1.4 -> r1.5)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/pl/plperl/expected/plperl_init.out?r1=1.4&r2=1.5)