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-rw-r--r--extensions/libipt_icmp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/extensions/libipt_icmp.c b/extensions/libipt_icmp.c
index 21da4ea..f46c004 100644
--- a/extensions/libipt_icmp.c
+++ b/extensions/libipt_icmp.c
@@ -109,7 +109,7 @@ help(void)
print_icmptypes();
}
-static struct option opts[] = {
+static const struct option opts[] = {
{ "icmp-type", 1, 0, '1' },
{0}
};