Thread: pgsql: Add regression test for consecutive newlines in COPY CSV mode.

Log Message:
-----------
Add regression test for consecutive newlines in COPY CSV mode. (There is
no bug related to this functionality in HEAD, but it's worth adding a test
for anyway.) From Andrew Dunstan.

Modified Files:
--------------
    pgsql/src/test/regress/expected:
        copy2.out (r1.20 -> r1.21)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/expected/copy2.out.diff?r1=1.20&r2=1.21)
    pgsql/src/test/regress/sql:
        copy2.sql (r1.11 -> r1.12)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/sql/copy2.sql.diff?r1=1.11&r2=1.12)