avoid new gcc warning (casting ** to const** is not valid for good reason)

1 files changed, 4 insertions, 2 deletions

diff --git a/obt/prop.h b/obt/prop.h
index cc1fe736..7ccc218e 100644
--- a/obt/prop.h
+++ b/obt/prop.h
@@ -236,8 +236,10 @@ void obt_prop_set_array32(Window win, Atom prop, Atom type, gulong *val,
                           guint num);
 void obt_prop_set_string_locale(Window win, Atom prop, const gchar *val);
 void obt_prop_set_string_utf8(Window win, Atom prop, const gchar *val);
-void obt_prop_set_strings_locale(Window win, Atom prop, const gchar **strs);
-void obt_prop_set_strings_utf8(Window win, Atom prop, const gchar **strs);
+void obt_prop_set_strings_locale(Window win, Atom prop,
+                                 const gchar *const *strs);
+void obt_prop_set_strings_utf8(Window win, Atom prop,
+                               const gchar *const *strs);
 
 void obt_prop_erase(Window win, Atom prop);