updated for version 7.0184
diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak
index ad46c19..f373806 100644
--- a/src/Make_mvc.mak
+++ b/src/Make_mvc.mak
@@ -736,7 +736,7 @@
 
 clean:
 	- if exist $(OUTDIR)/nul $(DEL_TREE) $(OUTDIR)
-	- if exist auto/nul $(DEL_TREE) auto
+	- if exist auto/pathdef.c del auto/pathdef.c
 	- if exist *.obj del *.obj
 	- if exist $(VIM).exe del $(VIM).exe
 	- if exist $(VIM).ilk del $(VIM).ilk