more fixes

syscalls/exit.c

@@ -0,0 +1,12 @@
+#include <zinnia/panic.h>
+#include <zinnia/syscall.h>
+
+struct syscall_ret sys_exit(int err) {
+    struct syscall_ret ret = {};
+
+    ret.errno = ENOSYS;
+
+    panic("sys::exit() not implemented!\n");
+
+    return ret;
+}