Error building firefox for Windows 64 in media/libcubeb/src/cubeb_wasapi.cpp

We are getting the following error when trying to build firefox for Windows 64:

/var/tmp/build/firefox-af0ca6a886c7/media/libcubeb/src/cubeb_wasapi.cpp:1596:46:
 error: cast from cubeb_devid {aka void*} to int loses precision
 [-fpermissive]