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-rw-r--r--extensions/libip6t_CONNMARK.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/extensions/libip6t_CONNMARK.c b/extensions/libip6t_CONNMARK.c
index 69d3a5aa..03441d73 100644
--- a/extensions/libip6t_CONNMARK.c
+++ b/extensions/libip6t_CONNMARK.c
@@ -48,7 +48,7 @@ help(void)
IPTABLES_VERSION);
}
-static struct option opts[] = {
+static const struct option opts[] = {
{ "set-mark", 1, 0, '1' },
{ "save-mark", 0, 0, '2' },
{ "restore-mark", 0, 0, '3' },