ring: enable for Windows
ring: enable for Windows

Building ring on Windows.

Signed-off-by: Fady Bader <f2127d64ba0b9d3846f67a77c57c078766dd1086@mellanox.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk