[18/21] powerpc: Add missing prototypes for sys_sigreturn & sys_rt_sigreturn

[Michael Ellerman]

On Sun, 2018-02-25 at 17:22:33 UTC, Mathieu Malaterre wrote:
> Two functions did not have a prototype defined in signal.h header. Fix the
> following two warnings (treated as errors in W=1):
> 
>   CC      arch/powerpc/kernel/signal_32.o
> arch/powerpc/kernel/signal_32.c:1135:6: error: no previous prototype for ‘sys_rt_sigreturn’ [-Werror=missing-prototypes]
>  long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
>       ^~~~~~~~~~~~~~~~
> arch/powerpc/kernel/signal_32.c:1422:6: error: no previous prototype for ‘sys_sigreturn’ [-Werror=missing-prototypes]
>  long sys_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
>       ^~~~~~~~~~~~~
> 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/b53875c4b4f212a7a8e505e2d10635

cheers