util/bitset: Allow iterating over const bitsets

diff --git a/src/util/bitset.h b/src/util/bitset.h
index c452819414fae1839358c3c210dbbf810103a52c..2404ce7f630296b1c7622201e443f8b58e619406 100644 (file)
--- a/src/util/bitset.h
+++ b/src/util/bitset.h
@@ -98,7 +98,7 @@ __bitset_ffs(const BITSET_WORD *x, int n)
 
 static inline unsigned
 __bitset_next_set(unsigned i, BITSET_WORD *tmp,
-                  BITSET_WORD *set, unsigned size)
+                  const BITSET_WORD *set, unsigned size)
 {
    unsigned bit, word;