[IPV6]: Fix gcc-341 inlining for real.

Signed-off-by: Con Kolivas <kernel@kolivas.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@redhat.com>

net/ipv6/route.c

@@ -692,7 +692,7 @@ static int ipv6_get_mtu(struct net_device *dev)
 	return mtu;
 }
 
-static inline unsigned int ipv6_advmss(unsigned int mtu)
+static unsigned int ipv6_advmss(unsigned int mtu)
 {
 	mtu -= sizeof(struct ipv6hdr) + sizeof(struct tcphdr);