clang-format the src/Device directory

Bug: b/144825072

Change-Id: I2e9c18aa5e3d394d18f86ca597aed6d6dc8dfe93
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/39654
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Tested-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
diff --git a/src/Device/RoutineCache.hpp b/src/Device/RoutineCache.hpp
index 9bde0d5..ce48e42 100644
--- a/src/Device/RoutineCache.hpp
+++ b/src/Device/RoutineCache.hpp
@@ -29,6 +29,6 @@
 template<class State, class FunctionType>
 using RoutineCacheT = LRUCache<State, RoutineT<FunctionType>>;
 
-}
+}  // namespace sw
 
-#endif   // sw_RoutineCache_hpp
+#endif  // sw_RoutineCache_hpp