[PATCH] Fix make 3.81 build errors

[Simon Marchi]

On 2018-02-19 11:39, Alan Hayward wrote:
> Thanks for the patch.
> I’m happy with this. It’s makes the makefile tidier than with my fix.
> I’ve tested it on my builds and it works fine for me (make 3.81, make
> 4) x (x86, aarch32).
> I would have made my patch look a little neater, but I really didn’t
> want to touch more than I had to.
> 
> Alan.

Thanks for testing.  Can you take care of pushing it?

Simon