Tools build fix

src/tools/map_extractor/System.cpp

@@ -16,9 +16,6 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#define _CRT_SECURE_NO_DEPRECATE
-#define WIN32_LEAN_AND_MEAN
-
 #include "Banner.h"
 #include "CascHandles.h"
 #include "Common.h"
@@ -35,6 +32,7 @@
 #include <deque>
 #include <fstream>
 #include <set>
+#include <unordered_map>
 #include <cstdlib>
 #include <cstring>