android: fix reference leak in sync_fence_create

According to the documentation sync_fence_create takes ownership of the point,
not a reference on the point.

This fixes a memory leak introduced in 3.17's android fence rework.

Signed-off-by: Maarten Lankhorst <[e-mail]>
Cc: Colin Cross <[e-mail]>
Cc: Dan Carpenter <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/android/sync.c

···
 	fence->num_fences = 1;
 	atomic_set(&fence->status, 1);
 
-	fence_get(&pt->base);
 	fence->cbs[0].sync_pt = &pt->base;
 	fence->cbs[0].fence = fence;
 	if (fence_add_callback(&pt->base, &fence->cbs[0].cb,