npgsql - Npgsql2: [#1010776] for a prepared command, ExecuteNonQuery()

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

[#1010776] for a prepared command, ExecuteNonQuery() does not return. Npgsql wasn't handling correctly errors while in extended query processing. Now it returned correctly and throws exceptions.

Modified Files:
--------------
Npgsql2/src/Npgsql:
NpgsqlCommand.cs (r1.55 -> r1.56)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/NpgsqlCommand.cs?r1=1.55&r2=1.56)