[PATCH] [POWERPC] remove build warnings in windfarm_core

[Benjamin Herrenschmidt]

On Thu, 2007-05-17 at 11:22 +1000, Stephen Rothwell wrote:
> drivers/macintosh/windfarm_core.c: In function 'wf_register_control':
> drivers/macintosh/windfarm_core.c:219: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
> drivers/macintosh/windfarm_core.c: In function 'wf_register_sensor':
> drivers/macintosh/windfarm_core.c:329: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
> 
> Signed-off-by: Stephen Rothwell <sfr at canb.auug.org.au>

Acked-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>