Seperated chart from box; fixed kkr segfault.

util.h

@@ -8,7 +8,8 @@
 #pragma once
 
 #include <stddef.h>
+#include <stdnoreturn.h>
 
 
 void *emalloc(size_t n);
-void die(char *fmt, ...);
+noreturn void die(char *fmt, ...);