[NETFILTER]: Fix ip_conntrack_put() prototype.

The function is not inline.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/netfilter_ipv4/ip_conntrack.h

@@ -239,7 +239,7 @@ ip_conntrack_get(const struct sk_buff *skb, enum ip_conntrack_info *ctinfo)
 }
 
 /* decrement reference count on a conntrack */
-extern inline void ip_conntrack_put(struct ip_conntrack *ct);
+extern void ip_conntrack_put(struct ip_conntrack *ct);
 
 /* call to create an explicit dependency on ip_conntrack. */
 extern void need_ip_conntrack(void);