keyfile: ignore temporary files (bgo #602868)

Ignore temporary files created by vim editor and temporary files created
internally by g_file_set_contents() (mkstemp()) when writing connections.

system-settings/plugins/keyfile/utils.h

@@ -0,0 +1,30 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* NetworkManager system settings service
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * (C) Copyright 2010 Red Hat, Inc.
+ */
+
+#ifndef _UTILS_H_
+#define _UTILS_H_
+
+#include <glib.h>
+#include "common.h"
+
+gboolean utils_should_ignore_file (const char *filename);
+
+#endif  /* _UTILS_H_ */
+