expr: meta: statify meta_key2str_array

It's not used out of the scope of expr/meta.c

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/src/expr/meta.c b/src/expr/meta.c
index 1b5c904988809d72292cedfd919c2e5dbac3fb7e..6c3e20e767a0d64b842f01a2ba965130113dbbc7 100644 (file)
--- a/src/expr/meta.c
+++ b/src/expr/meta.c
@@ -121,7 +121,7 @@ nft_rule_expr_meta_parse(struct nft_rule_expr *e, struct nlattr *attr)
        return 0;
 }
 
-const char *meta_key2str_array[NFT_META_MAX] = {
+static const char *meta_key2str_array[NFT_META_MAX] = {
        [NFT_META_LEN]          = "len",
        [NFT_META_PROTOCOL]     = "protocol",
        [NFT_META_PRIORITY]     = "priority",