npgsql - Npgsql2: [#1010379] NpgsqlDataAdapter.Update - Return value is

Log Message:
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[#1010379] NpgsqlDataAdapter.Update - Return value is wrong.
Thanks Christian Holzner for feedback and testcase.

Modified Files:
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Npgsql2/src/Npgsql:
NpgsqlDataReader.cs (r1.18 -> r1.19)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/NpgsqlDataReader.cs.diff?r1=1.18&r2=1.19)