Upstream fix for mintstick/nemo format woes.

https://git.gnome.org/browse/nautilus/commit/?id=0852847e2613dbcebb4ed7f58e5b2aee3aa86a90
https://git.gnome.org/browse/nautilus/commit/?id=a23ed4ad0173ca7a51e26282b85d06ce4b25912a