Fix namespace used by qbluetooth.cpp
Fix namespace used by qbluetooth.cpp

Change-Id: I84d598b638ba6a4511863d3659e6540916e2dffe
Reviewed-by: Fabian Bumberger <e05aa9b88a4518509d2de3da94deb065ab9534a1@rim.com>
Reviewed-by: Aaron McCarthy <fd47055c798be0f4eb798b431595a9333a5352a4@gmail.com>

kobolabs/qtconnectivity,kobolabs/qtconnectivity,kobolabs/qtconnectivity