npgsql - Npgsql2: Fixed a bug where Npgsql was throwing exceptions when

Log Message:
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Fixed a bug where Npgsql was throwing exceptions when releasing connection to pool and there were portal names which were associated with invalid prepared queries. Npgsql tried to deallocate them and threw exceptions. Now this is property surrounded by a try/catch block.

Modified Files:
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Npgsql2/testsuite/noninteractive/NUnit20:
CommandTests.cs (r1.17 -> r1.18)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/testsuite/noninteractive/NUnit20/CommandTests.cs.diff?r1=1.17&r2=1.18)
Npgsql2/src/Npgsql:
NpgsqlConnector.cs (r1.22 -> r1.23)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/NpgsqlConnector.cs.diff?r1=1.22&r2=1.23)