Nest some more namespaces

Did someone previously suggest that all namespace had been
nested?  Silly.

Signed-off-by: Stephan Pleines <pleines.stephan@gmail.com>
Change-Id: I22278c1caaeba8b47dc46fb2ed3078c20a11e190
diff --git a/aos/starter/starter_rpc_lib.h b/aos/starter/starter_rpc_lib.h
index eadf5c6..ae2450c 100644
--- a/aos/starter/starter_rpc_lib.h
+++ b/aos/starter/starter_rpc_lib.h
@@ -11,8 +11,7 @@
 #include "aos/starter/starter_generated.h"
 #include "aos/starter/starter_rpc_generated.h"
 
-namespace aos {
-namespace starter {
+namespace aos::starter {
 
 // Data required to command that starter start/stop/restart a given application.
 struct ApplicationCommand {
@@ -119,7 +118,6 @@
                         const aos::FlatbufferVector<aos::starter::Status>>>
 GetStarterStatus(const aos::Configuration *config, const aos::Node *node);
 
-}  // namespace starter
-}  // namespace aos
+}  // namespace aos::starter
 
 #endif  // AOS_STARTER_STARTER_RPC_LIB_H_