build: pass "-f Makefile.nt" to sub-make processes of Makefile.nt.
build: pass "-f Makefile.nt" to sub-make processes of Makefile.nt.

(Patch by Adrien Nader!)
The $(MAKE) variable of Makefiles doesn't include the -f flag. Pass it
explicitely.
build: pass "-f Makefile.nt" to sub-make processes of Makefile.nt.

The $(MAKE) variable of Makefiles doesn't include the -f flag. Pass it
explicitely.

git-svn-id: e7e61699ce1738538ffebb75374fbea0924bc775@13945 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02

eliberis/ocaml,msprotz/ocaml,chambart/camlp4,yunxing/ocaml,gerdstolpmann/ocaml,hhugo/camlp4,yunxing/ocaml,yunxing/ocaml,gerdstolpmann/ocaml,yunxing/ocaml,msprotz/ocaml,gerdstolpmann/ocaml,yunxing/ocaml,msprotz/ocaml,gerdstolpmann/ocaml,msprotz/ocaml,yallop/camlp4,gerdstolpmann/ocaml,eliberis/ocaml,eliberis/ocaml,msprotz/ocaml,eliberis/ocaml,eliberis/ocaml