Use correct header for EXIT_SUCCESS

test/backtrace.cpp

@@ -1,12 +1,13 @@
-#include "../backtrace.hpp"
+#include "../backtrace.hpp"
-#include <iostream>
+#include <iostream>
-
+#include <cstdlib>
-using namespace std;
+
-
+using namespace std;
-
+
-int
+
-main (int, char **) {
+int
-    cout << debug::backtrace() << endl;
+main (int, char **) {
-
+    cout << debug::backtrace() << endl;
-    return EXIT_SUCCESS;
+
-}
+    return EXIT_SUCCESS;
+}