net: tcp: fix shim definition of tcp_inbound_md5_hash

When CONFIG_TCP_MD5SIG isn't enabled, there is a compilation bug due to
the fact that the static inline definition of tcp_inbound_md5_hash() has
an unexpected semicolon. Remove it.

Fixes: 1330b6ef ("skb: make drop reason booleanable")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20220309122012.668986-1-vladimir.oltean@nxp.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

include/net/tcp.h

@@ -1693,7 +1693,7 @@ tcp_md5_do_lookup(const struct sock *sk, int l3index,
 static inline enum skb_drop_reason
 tcp_inbound_md5_hash(const struct sock *sk, const struct sk_buff *skb,
 		     const void *saddr, const void *daddr,
-		     int family, int dif, int sdif);
+		     int family, int dif, int sdif)
 {
 	return SKB_NOT_DROPPED_YET;
 }