[glibmm: 1/3] Fix memory leak in Glib::ustring::make_valid()

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 490de74a4c8def5f92630019959053472fcd1082
Author: Martin Ejdestig <marejde gmail com>
Date:   Wed Apr 17 17:28:08 2019 +0200

    Fix memory leak in Glib::ustring::make_valid()

 glib/glibmm/ustring.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/glib/glibmm/ustring.cc b/glib/glibmm/ustring.cc
index 901deac4..e56b3d9b 100644
--- a/glib/glibmm/ustring.cc
+++ b/glib/glibmm/ustring.cc
@@ -1221,7 +1221,7 @@ ustring::validate(ustring::const_iterator& first_invalid) const
 ustring
 ustring::make_valid() const
 {
-  return ustring(g_utf8_make_valid(string_.data(), string_.size()));
+  return convert_return_gchar_ptr_to_ustring(g_utf8_make_valid(string_.data(), string_.size()));
 }
 
 bool