[vala] glib-2.0: Add "g_utf8_make_valid" binding

[Rico Tzschichholz <ricotz src gnome org>]

commit ab31efde62c864cf87eb855dc01c02fb358e77c4
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Oct 18 23:24:34 2016 +0200

    glib-2.0: Add "g_utf8_make_valid" binding

 vapi/glib-2.0.vapi |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index 1e6b053..27f7a2c 100644
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -1182,6 +1182,9 @@ public class string {
        public string reverse (ssize_t len = -1);
        [CCode (cname = "g_utf8_validate")]
        public bool validate (ssize_t max_len = -1, out char* end = null);
+       [Version (since = "2.52")]
+       [CCode (cname = "g_utf8_make_valid")]
+       public string make_valid ();
        [CCode (cname = "g_utf8_normalize")]
        public string normalize (ssize_t len = -1, GLib.NormalizeMode mode = GLib.NormalizeMode.DEFAULT);