atl1: make atl1_init_ring_ptrs static

Sparse (correctly) thinks this function should be static.  Make it so.
Signed-off-by: NChris Snook <csnook@redhat.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/net/atl1/atl1_main.c

@@ -315,7 +315,7 @@ s32 atl1_setup_ring_resources(struct atl1_adapter *adapter)
 	return -ENOMEM;
 }
 
-void atl1_init_ring_ptrs(struct atl1_adapter *adapter)
+static void atl1_init_ring_ptrs(struct atl1_adapter *adapter)
 {
 	struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring;
 	struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring;