Whitespace fixes to bring inline with current DPDK style.
Fixes: e1e4017751f1 ("ring: add new driver")
Fixes: a74a99bbb8ed ("ring: free rings when detaching device")
Fixes: 61934c0956d4 ("ring: convert to use of PMD_REGISTER_DRIVER and fix linking") Cc: stable@dpdk.org Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>