npgsql - Npgsql2: [#1010796] Notification thread not released after

Log Message:
-----------

[#1010796] Notification thread not released after copy from stdin. Thanks Stelian Dumitrascu (stelian @nospam@ geocentral.net) for patch and Gildas (prime.gildas @nospam@ gmail.com) for testing. I also added this patch to Cancel method which may suffer from the same problem.

Modified Files:
--------------
Npgsql2/src/Npgsql:
NpgsqlCopyIn.cs (r1.5 -> r1.6)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/NpgsqlCopyIn.cs?r1=1.5&r2=1.6)