Fix a few 4.8 extra anal warnings

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/gettime.c b/gettime.c
index 4c998e5..8b3e1e5 100644
--- a/gettime.c
+++ b/gettime.c
@@ -25,7 +25,7 @@
 	int last_tv_valid;
 };
 #ifdef CONFIG_TLS_THREAD
-static struct tv_valid __thread static_tv_valid;
+static __thread struct tv_valid static_tv_valid;
 #else
 static pthread_key_t tv_tls_key;
 #endif