pgsql: Fix a few contrib regression test scripts that hadn't gotten the

Log Message:
-----------
Fix a few contrib regression test scripts that hadn't gotten the word
about best practice for including the module creation scripts: to wit
that you should suppress NOTICE messages. This avoids creating
regression failures by adding or removing comment lines in the module
scripts.

Modified Files:
--------------
pgsql/contrib/btree_gist/expected:
init.out (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gist/expected/init.out?r1=1.2&r2=1.3)
pgsql/contrib/btree_gist/sql:
init.sql (r1.1 -> r1.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gist/sql/init.sql?r1=1.1&r2=1.2)
pgsql/contrib/dblink/expected:
dblink.out (r1.19 -> r1.20)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dblink/expected/dblink.out?r1=1.19&r2=1.20)
pgsql/contrib/dblink/sql:
dblink.sql (r1.16 -> r1.17)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dblink/sql/dblink.sql?r1=1.16&r2=1.17)
pgsql/contrib/ltree/expected:
ltree.out (r1.14 -> r1.15)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/ltree/expected/ltree.out?r1=1.14&r2=1.15)
pgsql/contrib/ltree/sql:
ltree.sql (r1.7 -> r1.8)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/ltree/sql/ltree.sql?r1=1.7&r2=1.8)
pgsql/contrib/pg_trgm/expected:
pg_trgm.out (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_trgm/expected/pg_trgm.out?r1=1.4&r2=1.5)
pgsql/contrib/pg_trgm/sql:
pg_trgm.sql (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_trgm/sql/pg_trgm.sql?r1=1.2&r2=1.3)
pgsql/contrib/pgcrypto/expected:
init.out (r1.3 -> r1.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pgcrypto/expected/init.out?r1=1.3&r2=1.4)
pgsql/contrib/pgcrypto/sql:
init.sql (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pgcrypto/sql/init.sql?r1=1.4&r2=1.5)
pgsql/contrib/tablefunc/expected:
tablefunc.out (r1.14 -> r1.15)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tablefunc/expected/tablefunc.out?r1=1.14&r2=1.15)
pgsql/contrib/tablefunc/sql:
tablefunc.sql (r1.13 -> r1.14)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tablefunc/sql/tablefunc.sql?r1=1.13&r2=1.14)