--- previous/src/str.c	2018/04/24 19:25:10	1.1
+++ previous/src/str.c	2018/04/24 19:31:18	1.1.1.3
@@ -11,6 +11,7 @@ const char Str_fileid[] = "Hatari str.c
 #include <stdio.h>
 #include <ctype.h>
 #include <stdbool.h>
+#include <stdlib.h>
 #include <SDL_types.h>
 #include "configuration.h"
 #include "str.h"
@@ -117,4 +118,4 @@ bool Str_IsHex(const char *str)
 		i++;
 	}
 	return true;
-}
+}
\ No newline at end of file