Some work on cache_check and cache_restore

caching/cache_check.cc

@@ -1,21 +1,3 @@
-// Copyright (C) 2011 Red Hat, Inc. All rights reserved.
-//
-// This file is part of the thin-provisioning-tools source.
-//
-// thin-provisioning-tools 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 3 of
-// the License, or (at your option) any later version.
-//
-// thin-provisioning-tools 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 thin-provisioning-tools.  If not, see
-// <http://www.gnu.org/licenses/>.
-
 #include <iostream>
 #include <sstream>
 #include <string>
@@ -30,6 +12,9 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+#include "base/error_state.h"
+#include "base/nested_output.h"
+
 using namespace std;
 
 //----------------------------------------------------------------