Fix build script link options.

Change-Id: I3e1e9982a3e748471acb2cd6bf64fa659759906f
diff --git a/do-build b/do-build
index 34d7abf..d5df0fc 100755
--- a/do-build
+++ b/do-build
@@ -701,7 +701,7 @@
 if [ -n "$MAKE_LINK" ]
 then
   get_install_dir
-  ln -fs "$RESULT" "$MAKE_LINK" || die "Failed to make '$MAKE_LINK' link"
+  ln -fns "$RESULT" "$MAKE_LINK" || die "Failed to make '$MAKE_LINK' link"
 fi
 exit 0