fix bug in commit 14694

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@14696 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02

Author: Damien Doligez

Makefile.nt

@@ -520,7 +520,7 @@ partialclean::
 beforedepend:: asmcomp/selection.ml
 
 asmcomp/CSE.ml: asmcomp/$(ARCH)/CSE.ml
-	cp $(ARCH)/CSE.ml asmcomp/CSE.ml
+	cp asmcomp/$(ARCH)/CSE.ml asmcomp/CSE.ml
 
 partialclean::
 	rm -f asmcomp/CSE.ml