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-rw-r--r--extensions/libip6t_icmp6.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/extensions/libip6t_icmp6.c b/extensions/libip6t_icmp6.c
index bc150c28..46c9d38d 100644
--- a/extensions/libip6t_icmp6.c
+++ b/extensions/libip6t_icmp6.c
@@ -85,7 +85,7 @@ help(void)
print_icmpv6types();
}
-static struct option opts[] = {
+static const struct option opts[] = {
{ "icmpv6-type", 1, 0, '1' },
{0}
};