adb: update call to register_usb_transport in Mac and Windows builds.

Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/adb/usb_osx.c b/adb/usb_osx.c
index de7125f..00d02da 100644
--- a/adb/usb_osx.c
+++ b/adb/usb_osx.c
@@ -256,7 +256,7 @@
         }
 
         DBG("AndroidDeviceAdded calling register_usb_transport\n");
-        register_usb_transport(handle, (serial[0] ? serial : NULL));
+        register_usb_transport(handle, (serial[0] ? serial : NULL), 1);
 
         // Register for an interest notification of this device being removed.
         // Pass the reference to our private data as the refCon for the