windfarm: make wf_critical_overtemp() static

[Michael Ellerman]

On Fri, 2015-31-07 at 12:12:20 UTC, Paul Bolle wrote:
> wf_critical_overtemp() is exported. But nothing uses that export.
> That's unsurprising because there's no header that defines it. Stop
> exporting that function and make it static.
> 
> Signed-off-by: Paul Bolle <pebolle at tiscali.nl>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/ca94bbab1a0336f34066

cheers