Revert "(my_exit): cleanup no attribute noreturn warning."

This reverts commit b91ab44b43570ebebe58627efedcb2adb4066023.

lib/utilunix.c

@@ -356,7 +356,8 @@ save_stop_handler (void)
  * @param status exit code
  */
 
-void __attribute__ ((noreturn)) my_exit (int status)
+void
+my_exit (int status)
 {
     _exit (status);
 }