Обсуждение: npgsql - Npgsql2: Fix lack of parameter length in another case.

Log Message:
-----------
Fix lack of parameter length in another case. Replace many cases of string concatenation with StringBuilder use.

Modified Files:
--------------
    Npgsql2/src/Npgsql:
        NpgsqlCommand.cs (r1.35 -> r1.36)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/NpgsqlCommand.cs.diff?r1=1.35&r2=1.36)
        NpgsqlParameter.cs (r1.22 -> r1.23)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/NpgsqlParameter.cs.diff?r1=1.22&r2=1.23)
        NpgsqlQuery.cs (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/NpgsqlQuery.cs.diff?r1=1.4&r2=1.5)
        PGUtil.cs (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/PGUtil.cs.diff?r1=1.8&r2=1.9)