ipv4: udp4_gro_complete() is static

net/ipv4/udp_offload.c:339:5: warning: symbol 'udp4_gro_complete' was
not declared. Should it be static?

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Tom Herbert <therbert@google.com>
Fixes: 57c67ff4bd92 ("udp: additional GRO support")
Acked-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index 84e0e05..52d5f46 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -336,7 +336,7 @@
 	return err;
 }
 
-int udp4_gro_complete(struct sk_buff *skb, int nhoff)
+static int udp4_gro_complete(struct sk_buff *skb, int nhoff)
 {
 	const struct iphdr *iph = ip_hdr(skb);
 	struct udphdr *uh = (struct udphdr *)(skb->data + nhoff);