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/set.c b/src/set.c
index 6e1be38..6afbc03 100644
--- a/src/set.c
+++ b/src/set.c
@@ -148,7 +148,7 @@ void nft_set_attr_set_str(struct nft_set *s, uint16_t attr, const char *str)
 }
 EXPORT_SYMBOL(nft_set_attr_set_str);
 
-void *nft_set_attr_get(struct nft_set *s, uint16_t attr)
+const void *nft_set_attr_get(struct nft_set *s, uint16_t attr)
 {
 	if (!(s->flags & (1 << attr)))
 		return NULL;