pgsql: When moveToCurrentRow is called and the current row is off the

Log Message:
-----------
When moveToCurrentRow is called and the current row is off the
end of the ResultSet we can't try to load that row because it
doesn't exist and will throw an Exception.

Reported by Prasanth.

Tags:
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REL7_4_STABLE

Modified Files:
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pgsql/src/interfaces/jdbc/org/postgresql/jdbc2:
AbstractJdbc2ResultSet.java (r1.25.2.10 -> r1.25.2.11)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2ResultSet.java.diff?r1=1.25.2.10&r2=1.25.2.11)