don't crash if gimp_display_shell_filter_new() returns NULL. Fixes bug

2007-11-12  Michael Natterer  <mitch@gimp.org>

	* app/display/gimpdisplayshell.c (gimp_display_shell_new): don't
	crash if gimp_display_shell_filter_new() returns NULL.
	Fixes bug #495863.


svn path=/trunk/; revision=24128

ChangeLog

+2007-11-12  Michael Natterer  <mitch@gimp.org>
+
+	* app/display/gimpdisplayshell.c (gimp_display_shell_new): don't
+	crash if gimp_display_shell_filter_new() returns NULL.
+	Fixes bug #495863.
+
 2007-11-11  Kevin Cozens  <kcozens@cvs.gnome.org>
 
 	* plug-ins/script-fu/scripts/script-fu-compat.init: Return a list

app/display/gimpdisplayshell.c

@@ -1117,8 +1117,11 @@ gimp_display_shell_new (GimpDisplay     *display,
 
   filter = gimp_display_shell_filter_new (shell,
                                           gimp->config->color_management);
-  gimp_display_shell_filter_set (shell, filter);
-  g_object_unref (filter);
+  if (filter)
+    {
+      gimp_display_shell_filter_set (shell, filter);
+      g_object_unref (filter);
+    }
 
   gimp_display_shell_connect (shell);