strset: allow const arguments to strset_iterate().

[ccan] / ccan / strset / strset.h

diff --git a/ccan/strset/strset.h b/ccan/strset/strset.h
index 250ce7189614a357b89cb2bc7620283a2254caaa..9352fe9fb2e2918aa2af8715a64b376765b61cb6 100644 (file)
--- a/ccan/strset/strset.h
+++ b/ccan/strset/strset.h
@@ -139,7 +139,7 @@ void strset_destroy(struct strset *set);
                                                   const char *),       \
                        (arg))
 void strset_iterate_(const struct strset *set,
-                    bool (*handle)(const char *, void *), void *data);
+                    bool (*handle)(const char *, void *), const void *data);
 
 
 /**