[mutter] meta_window_is_remote: If WM_CLIENT_MACHINE not set, don't assume remote

[Colin Walters <walters src gnome org>]

commit 4ff4ebebb62548823578e32bf0762e9f309aadb7
Author: Colin Walters <walters verbum org>
Date:   Wed Apr 13 10:18:49 2011 -0400

    meta_window_is_remote: If WM_CLIENT_MACHINE not set, don't assume remote
    
    Apparently the "fox" toolkit doesn't set WM_CLIENT_MACHINE; while we
    could do gymnastics to attempt to figure this out (talk to the X
    server?), better to just default to FALSE.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=647662

 src/core/window.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index 964ada8..a48b0c1 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -10094,7 +10094,9 @@ meta_window_is_remote (MetaWindow *window)
 {
   g_return_val_if_fail (META_IS_WINDOW (window), FALSE);
 
-  return g_strcmp0 (window->wm_client_machine, window->display->hostname) != 0;
+  if (window->wm_client_machine != NULL)
+    return g_strcmp0 (window->wm_client_machine, window->display->hostname) != 0;
+  return FALSE;
 }
 
 /**