[mutter] Characters of window title bar garbled

[Jonas Ådahl <jadahl src gnome org>]

commit d387aa428a18393938c6d6f7baef2c1dd726436e
Author: Akira Nakajima <argebam2a yahoo co jp>
Date:   Thu Oct 11 07:15:22 2018 +0000

    Characters of window title bar garbled

 src/x11/window-props.c | 5 +----
 src/x11/xprops.c       | 6 +++++-
 2 files changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/src/x11/window-props.c b/src/x11/window-props.c
index d06a89a21..d165c2cd2 100644
--- a/src/x11/window-props.c
+++ b/src/x11/window-props.c
@@ -651,10 +651,7 @@ reload_wm_name (MetaWindow    *window,
 
   if (value->type != META_PROP_VALUE_INVALID)
     {
-      g_autofree gchar *title = g_convert (value->v.str, -1,
-                                           "UTF-8", "LATIN1",
-                                           NULL, NULL, NULL);
-      set_window_title (window, title);
+      set_window_title (window, value->v.str);
 
       meta_verbose ("Using WM_NAME for new title of %s: \"%s\"\n",
                     window->desc, window->title);
diff --git a/src/x11/xprops.c b/src/x11/xprops.c
index ae05afe14..2bef29985 100644
--- a/src/x11/xprops.c
+++ b/src/x11/xprops.c
@@ -639,6 +639,7 @@ text_property_to_utf8 (Display *xdisplay,
 {
   char *ret = NULL;
   char **local_list = NULL;
+  const char *charset = NULL;
   int count = 0;
   int res;
 
@@ -649,7 +650,10 @@ text_property_to_utf8 (Display *xdisplay,
   if (count == 0)
     goto out;
 
-  ret = g_strdup (local_list[0]);
+  if (g_get_charset (&charset))
+    ret = g_strdup (local_list[0]);
+  else
+    ret = g_convert (local_list[0], -1, "UTF-8", charset, NULL, NULL, NULL);
 
  out:
   XFreeStringList (local_list);