AU: Try delta updates first, then full updates
Also, some bug fixes.
Review URL: http://codereview.chromium.org/492008
diff --git a/filesystem_copier_action.cc b/filesystem_copier_action.cc
index 875df95..f9b6869 100644
--- a/filesystem_copier_action.cc
+++ b/filesystem_copier_action.cc
@@ -9,12 +9,14 @@
#include <fcntl.h>
#include <stdlib.h>
#include <algorithm>
+#include <map>
#include <string>
#include <vector>
#include "update_engine/filesystem_iterator.h"
#include "update_engine/subprocess.h"
#include "update_engine/utils.h"
+using std::map;
using std::min;
using std::string;
using std::vector;