src: fully constify nft_*_get functions

We have several char * field that were not constify to avoid
gcc compilation warnings when calling free. Since (99d2574 src:
add xfree and use it), we can fully constify these objects
fields without trouble.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/src/expr_ops.h b/src/expr_ops.h
index 78413fc..a46a309 100644
--- a/src/expr_ops.h
+++ b/src/expr_ops.h
@@ -16,7 +16,7 @@ struct nft_rule_expr;
 struct expr_ops {
 	struct list_head head;
 
-	char	*name;
+	const char *name;
 	size_t	alloc_len;
 	int	max_attr;
 	int	(*set)(struct nft_rule_expr *e, uint16_t type, const void *data, size_t data_len);