sys/modules "make clean" seems broken again

[John Baldwin]

On Thursday, November 19, 2015 09:13:06 AM Sean Bruno wrote:
> I thought I fixed this a year or two ago, but now a "make clean" in
> sys/modules seems to leave bus_if.h device_if.h and pci_if.h in the
> directory.
> 
> Should I just add these to the clean targets?

Blame Warner as his MFILES changes broke this.  In particular, see r287263
which turned off cleaning these up.  I'm not sure what that broke that
caused it to be disabled.

Your change is a gross hack though.

-- 
John Baldwin