resolve conflict from #1017

test/driver.c

@@ -5,6 +5,10 @@
 ** against the current mruby implementation.
 */
 
+
+#include <stdlib.h>
+#include <string.h>
+
 #include <mruby.h>
 #include <mruby/proc.h>
 #include <mruby/data.h>

test/init_mrbtest.c

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include "mruby.h"
 #include "mruby/irep.h"
 #include "mruby/dump.h"