If we decide to keep that change, we should change this as well:
```
diff --git a/src/Makefile.orig b/src/Makefile.orig
index e84d0b4..6e752b1 100644
--- a/src/Makefile.orig
+++ b/src/Makefile.orig
@@ -2515,8 +2515,8 @@ clean:
        $(RM) cuda/*.o cuda/*~ *~
        $(RM) fmt_registers.h fmt_externs.h john_build_rule.h
        $(CP) $(NULL) Makefile.dep
-       $(MAKE_ORIG) -C aes clean
-       $(MAKE_ORIG) -C escrypt clean
+       +$(MAKE_ORIG) -C aes clean
+       +$(MAKE_ORIG) -C escrypt clean
 
 
 # These are mostly for internal use.
```