Update setapp/getapp prototypes in dcbnl_rtnl_ops to return int instead of u8

v2: fixed issue with checking return of dcbnl_rtnl_ops->getapp()

Signed-off-by: Anish Bhatt <anish@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/dcbnl.h b/include/net/dcbnl.h
index a975edf..597b88a 100644
--- a/include/net/dcbnl.h
+++ b/include/net/dcbnl.h
@@ -81,8 +81,8 @@
 	void (*setbcncfg)(struct net_device *, int, u32);
 	void (*getbcnrp)(struct net_device *, int, u8 *);
 	void (*setbcnrp)(struct net_device *, int, u8);
-	u8   (*setapp)(struct net_device *, u8, u16, u8);
-	u8   (*getapp)(struct net_device *, u8, u16);
+	int  (*setapp)(struct net_device *, u8, u16, u8);
+	int  (*getapp)(struct net_device *, u8, u16);
 	u8   (*getfeatcfg)(struct net_device *, int, u8 *);
 	u8   (*setfeatcfg)(struct net_device *, int, u8);