qeth: Convert ethtool get_stats_count() ops to get_sset_count()

This string query operation was supposed to be replaced by the
generic get_sset_count() starting in 2007.  Convert qeth's
implementation.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 073b6d3..4ca28c1 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2957,7 +2957,7 @@
 	.set_tso     = qeth_l3_ethtool_set_tso,
 	.get_strings = qeth_core_get_strings,
 	.get_ethtool_stats = qeth_core_get_ethtool_stats,
-	.get_stats_count = qeth_core_get_stats_count,
+	.get_sset_count = qeth_core_get_sset_count,
 	.get_drvinfo = qeth_core_get_drvinfo,
 	.get_settings = qeth_core_ethtool_get_settings,
 };