more C++ modern includes

Author: renau

main/tmt_test.cpp

@@ -26,12 +26,13 @@
  */
 #include "tmt_test.hpp"
 
-#include <limits.h>
-#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
+#include <climits>
+#include <cstdint>
+
 #define BUF_MAX   100
 #define PAR_MAX   8
 #define TAB       8