From e0a50545480de0936ab867168d9bd086e56f465c Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Fri, 12 Dec 2014 13:11:08 +0100
Subject: [PATCH] s390/signal: add sys_sigreturn and sys_rt_sigreturn
 declarations

Get rid of sparse warnings like this one:
arch/s390/kernel/signal.c:244:1:
  warning: symbol 'sys_sigreturn' was not declared. Should it be static?

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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