glib-2.0: Fix Variant.dup_string binding.

diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index de5204188846ce3e91da74fae87abc962ecb4782..11d77f2ae81678cbaaf5191528a65ad26000bbbe 100644 (file)
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -4084,7 +4084,7 @@ namespace GLib {
                public int32 get_handle ();
                public double get_double ();
                public unowned string get_string (out size_t length = null);
-               public string dup_string ();
+               public string dup_string (out size_t length = null);
                public unowned string get_bytestring ();
                public string dup_bytestring ();