Bug 753085: Desktop m-c does not compile with enable-b2g-ril on and enable-b2g-bt off; r=mwu

dom/system/gonk/SystemWorkerManager.cpp

@@ -71,8 +71,10 @@
 
 USING_WORKERS_NAMESPACE
 using namespace mozilla::dom::gonk;
-using namespace mozilla::dom::bluetooth;
 using namespace mozilla::ipc;
+#ifdef MOZ_B2G_BT
+using namespace mozilla::dom::bluetooth;
+#endif
 
 namespace {
 
@@ -394,10 +396,8 @@ SystemWorkerManager::InitBluetooth(JSContext *cx)
   // see if we can load functions out of bluedroid. If not, assume
   // it's an emulator and don't start the bluetooth thread.
   if(EnsureBluetoothInit()) {
-#endif
 #endif
     StartDBus();
-#ifdef MOZ_B2G_BT
 #ifdef MOZ_WIDGET_GONK
   }
   else {