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/frc971/wpilib/talonfx.h b/frc971/wpilib/talonfx.h
index c25fa81..a3e3066 100644
--- a/frc971/wpilib/talonfx.h
+++ b/frc971/wpilib/talonfx.h
@@ -15,8 +15,7 @@
 
 namespace control_loops = ::frc971::control_loops;
 
-namespace frc971 {
-namespace wpilib {
+namespace frc971::wpilib {
 
 struct TalonFXParams {
   int device_id;
@@ -100,6 +99,5 @@
   double stator_current_limit_;
   double supply_current_limit_;
 };
-}  // namespace wpilib
-}  // namespace frc971
+}  // namespace frc971::wpilib
 #endif  // FRC971_WPILIB_TALONFX_MOTOR_H_