updated jsonrpc.Session call to have correct arguments for latest version of ovs
updated jsonrpc.Session call to have correct arguments for latest version of ovs

Signed-off-by: Scott <62d1cc1b7274e77541e324dc4b98602563aead89@gmail.com>

osrg/ryu,osrg/ryu,osrg/ryu,osrg/ryu,osrg/ryu