glib-2.0: unichar.to_string doesn't return null

diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index 3dc320d5ac9b8b030b4860ba5bdcb0b0948b77f3..b5297c5839a0cdce42d4acc3692b1994d85942f6 100644 (file)
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -945,7 +945,7 @@ public struct unichar {
 
        public int to_utf8 (string? outbuf);
 
-       public string? to_string () {
+       public string to_string () {
                string str = (string) new char[7];
                this.to_utf8 (str);
                return str;