net: cleanup unsigned to unsigned int

Use of "unsigned int" is preferred to bare "unsigned" in net tree.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/nfc/nfc.h b/net/nfc/nfc.h
index ec8794c..061a830 100644
--- a/net/nfc/nfc.h
+++ b/net/nfc/nfc.h
@@ -127,7 +127,7 @@
 			       u8 comm_mode, u8 rf_mode);
 int nfc_genl_dep_link_down_event(struct nfc_dev *dev);
 
-struct nfc_dev *nfc_get_device(unsigned idx);
+struct nfc_dev *nfc_get_device(unsigned int idx);
 
 static inline void nfc_put_device(struct nfc_dev *dev)
 {