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-rw-r--r--src/utils.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/utils.h b/src/utils.h
index 14ef45a7..ab07336d 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -194,7 +194,7 @@ extern void add_item(ReflItemList *items,
extern int find_item(ReflItemList *items,
signed int h, signed int k, signed int l);
extern struct refl_item *get_item(ReflItemList *items, int i);
-extern int num_items(ReflItemList *items);
+extern int num_items(const ReflItemList *items);
extern unsigned int *items_to_counts(ReflItemList *items);