geneve: Unregister pernet subsys on module unload.
geneve: Unregister pernet subsys on module unload.

The pernet ops aren't ever unregistered, which causes a memory
leak and an OOPs if the module is ever reinserted.

Fixes: 0b5e8b8eeae4 ("net: Add Geneve tunneling protocol driver")
CC: Andy Zhou <eba59be6f07811efcfb9b9013eddeb3628e492b2@nicira.com>
Signed-off-by: Jesse Gross <a5c95b3d7cb4d0ae05a15c79c79ab458dc2c8f9e@nicira.com>
Acked-by: Nicolas Dichtel <7864bb1e0e12322ea18ea731d051b95b75140567@6wind.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs