X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fopt%2Fprivate.h;h=12c569311b4a62d880981323de1eac82aff8ca77;hp=e4ad24a2be9e7947f862d295bef76b330c735c90;hb=fba46ae074025cb605d46be9b1080e0649635dd6;hpb=ec822c6589eeaeb3f45c12876db2016be5808688

diff --git a/ccan/opt/private.h b/ccan/opt/private.h
index e4ad24a2..12c56931 100644
--- a/ccan/opt/private.h
+++ b/ccan/opt/private.h
@@ -7,7 +7,7 @@ extern unsigned int opt_count, opt_num_short, opt_num_short_arg, opt_num_long;
 
 extern const char *opt_argv0;
 
-#define subtable_of(entry) ((struct opt_table *)((entry)->names))
+#define subtable_of(entry) ((const struct opt_table *)((entry)->names))
 
 const char *first_sopt(unsigned *i);
 const char *next_sopt(const char *names, unsigned *i);