fixed up the rest of the tests, added rudimentary makefile(s)

test/ref/pointer2.c

@@ -4,6 +4,7 @@
   !!LICENCE!!     public domain
 */
 
+#include "common.h"
 #include <stdio.h>
 
 /*
@@ -101,11 +102,11 @@ static void test30(void)
   cc65 seems to have problems here aswell ;/
 */
 
-int main(void) {
+int main(void) {
   	test1();
 	test2();
 	test30();
 	test31();
 /*	test32(); */
-	return 0;
+	return 0;
 }