[13/21] powerpc: Add missing prototype for arch_dup_task_struct

[Michael Ellerman]

On Sun, 2018-02-25 at 17:22:28 UTC, Mathieu Malaterre wrote:
> In commit 55ccf3fe3f9a ("fork: move the real prepare_to_copy() users to
> arch_dup_task_struct()") a new arch_dup_task_struct was added without a
> prototype declared in thread_info.h header. Fix the following warning
> (treated as error in W=1):
> 
>   CC      arch/powerpc/kernel/process.o
> arch/powerpc/kernel/process.c:1609:5: error: no previous prototype for ‘arch_dup_task_struct’ [-Werror=missing-prototypes]
>  int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
>      ^~~~~~~~~~~~~~~~~~~~
> cc1: all warnings being treated as errors
> 
> Signed-off-by: Mathieu Malaterre <malat at debian.org>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/fd70d9f96d8182a67e28b99c999157

cheers