[mutter/gnome-3-26] wayland: Plug leak

[Carlos Garnacho <carlosg src gnome org>]

commit 0b10df1faadac9a5d19d9220cecda03c2eccc2eb
Author: Carlos Garnacho <carlosg gnome org>
Date:   Mon Nov 6 20:37:34 2017 +0100

    wayland: Plug leak
    
    The remote DBus error is leaked.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=789984

 src/wayland/meta-wayland.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/src/wayland/meta-wayland.c b/src/wayland/meta-wayland.c
index 2c3dff2..799613c 100644
--- a/src/wayland/meta-wayland.c
+++ b/src/wayland/meta-wayland.c
@@ -277,9 +277,13 @@ set_gnome_env (const char *name,
                               -1, NULL, &error);
   if (error)
     {
-      if (g_strcmp0 (g_dbus_error_get_remote_error (error), "org.gnome.SessionManager.NotInInitialization") 
!= 0)
+      char *remote_error;
+
+      remote_error = g_dbus_error_get_remote_error (error);
+      if (g_strcmp0 (remote_error, "org.gnome.SessionManager.NotInInitialization") != 0)
         meta_warning ("Failed to set environment variable %s for gnome-session: %s\n", name, error->message);
 
+      g_free (remote_error);
       g_error_free (error);
     }
 }