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-rw-r--r--extensions/libebt_mark.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/extensions/libebt_mark.c b/extensions/libebt_mark.c
index a1a208c3..7b80b22e 100644
--- a/extensions/libebt_mark.c
+++ b/extensions/libebt_mark.c
@@ -25,7 +25,7 @@ static int mark_supplied;
#define MARK_ORMARK '3'
#define MARK_ANDMARK '4'
#define MARK_XORMARK '5'
-static struct option brmark_opts[] = {
+static const struct option brmark_opts[] = {
{ .name = "mark-target",.has_arg = true, .val = MARK_TARGET },
/* an oldtime messup, we should have always used the scheme
* <extension-name>-<option> */