[PATCH -next] scftorture: Make symbol 'scf_torture_rand' static

[Wei Yongjun]

Fix sparse build warning:

kernel/scftorture.c:124:1: warning:
 symbol '__pcpu_scope_scf_torture_rand' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
 kernel/scftorture.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/scftorture.c b/kernel/scftorture.c
index 52750c564404..d63d700ad297 100644
--- a/kernel/scftorture.c
+++ b/kernel/scftorture.c
@@ -121,7 +121,7 @@ static unsigned long scf_sel_totweight;
 static atomic_t n_started;
 static atomic_t n_errs;
 
-DEFINE_TORTURE_RANDOM_PERCPU(scf_torture_rand);
+static DEFINE_TORTURE_RANDOM_PERCPU(scf_torture_rand);
 
 // Print torture statistics.  Caller must ensure serialization.
 static void scf_torture_stats_print(void)