HAND FIXES: Manual cleanup of namespaces

wpilibc/src/main/native/include/wpi/event/NetworkBooleanEvent.hpp

@@ -9,7 +9,7 @@
 
 #include "wpi/event/BooleanEvent.hpp"
 
-namespace nt {
+namespace wpi::nt {
 class BooleanSubscriber;
 class BooleanTopic;
 class NetworkTable;

wpilibc/src/main/native/include/wpi/smartdashboard/FieldObject2d.hpp

@@ -17,10 +17,13 @@
 #include "wpi/util/SmallVector.hpp"
 #include "wpi/util/mutex.hpp"
 
+namespace wpi::math {
+class Trajectory;
+}
+
 namespace wpi {
 
 class Field2d;
-class wpi::math::Trajectory;
 
 /**
  * Game field object on a Field2d.

wpilibc/src/main/native/include/wpi/smartdashboard/SmartDashboard.hpp

@@ -14,7 +14,7 @@
 #include "wpi/nt/NetworkTableEntry.hpp"
 #include "wpi/nt/NetworkTableValue.hpp"
 
-namespace wpi {
+namespace wpi::util {
 class Sendable;
 }  // namespace wpi