[PATCH jbarnes] drm/i915: fence_lock can be static

[kbuild test robot]

drivers/gpu/drm/i915/i915_sync.c:43:12: sparse: symbol 'fence_lock' was not declared. Should it be static?

Signed-off-by: Fengguang Wu <fengguang.wu at intel.com>
---
 i915_sync.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_sync.c b/drivers/gpu/drm/i915/i915_sync.c
index 069c069..b614eea 100644
--- a/drivers/gpu/drm/i915/i915_sync.c
+++ b/drivers/gpu/drm/i915/i915_sync.c
@@ -40,7 +40,7 @@
 #include "../../../staging/android/sync.h"
 
 /* Nothing really to protect here... */
-spinlock_t fence_lock;
+static spinlock_t fence_lock;
 
 /*
  * i915 fences on sync timelines