x64 fixes

examples/x64/hello_world.v

@@ -1,14 +1,21 @@
-fn test_fn() {
-	println('test fn')
-}
+fn println(s string) { }
+
+//fn test_fn() {
+	//println('test fn')
+//}
 
 fn main() {
 	println('x64 test')
-	for _ in 0..5 {
+	//i := 0
+	//for i < 5 {
+	for _ in 1..5 {
 		println('Hello world from V x64 machine code generator!')
+		//i++
 	}
+		/*
 	println('Hello again!')
 	//test_fn()
 	println('done')
+	*/
 }