ipv4: Remove redundant assignment

It is redundant to set no_addr and accept_local to 0 and then set them
with other values just after that.
Signed-off-by: NLin Ming <mlin@ss.pku.edu.cn>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/fib_frontend.c

@@ -258,7 +258,6 @@ static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst,
 	fl4.flowi4_tos = tos;
 	fl4.flowi4_scope = RT_SCOPE_UNIVERSE;
 
-	no_addr = accept_local = 0;
 	no_addr = idev->ifa_list == NULL;
 
 	accept_local = IN_DEV_ACCEPT_LOCAL(idev);