netfilter: Remove exceptional & on function name

Remove & from function pointers to conform to the style found elsewhere
in the file. Done using the following semantic patch

// <smpl>
@r@
identifier f;
@@

f(...) { ... }
@@
identifier r.f;
@@

- &f
+ f
// </smpl>

Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/net/netfilter/nft_exthdr.c b/net/netfilter/nft_exthdr.c
index d212a85..1ec49fe 100644
--- a/net/netfilter/nft_exthdr.c
+++ b/net/netfilter/nft_exthdr.c
@@ -232,7 +232,7 @@ nft_exthdr_select_ops(const struct nft_ctx *ctx,
 
 static struct nft_expr_type nft_exthdr_type __read_mostly = {
 	.name		= "exthdr",
-	.select_ops	= &nft_exthdr_select_ops,
+	.select_ops	= nft_exthdr_select_ops,
 	.policy		= nft_exthdr_policy,
 	.maxattr	= NFTA_EXTHDR_MAX,
 	.owner		= THIS_MODULE,