Fix build failures in update methods

rviz_imu_plugin/src/imu_display.cpp

@@ -113,7 +113,7 @@ void ImuDisplay::reset()
     acc_visual_->hide();
 }
 
-void ImuDisplay::update(float /* dt */, float /* ros_dt */)
+void ImuDisplay::update(std::chrono::nanoseconds /* wall_dt */, std::chrono::nanoseconds /* ros_dt */)
 {
     updateTop();
     updateBox();

rviz_imu_plugin/src/imu_display.h

@@ -69,7 +69,7 @@ class ImuDisplay
 
     void reset() override;
 
-    void update(float dt, float ros_dt) override;
+    void update(std::chrono::nanoseconds wall_dt, std::chrono::nanoseconds ros_dt) override;
 
   private:
     void createProperties();

rviz_imu_plugin/src/mag_display.cpp

@@ -85,7 +85,7 @@ void MagDisplay::reset()
     mag_visual_->hide();
 }
 
-void MagDisplay::update(float /* dt */, float /* ros_dt */)
+void MagDisplay::update(std::chrono::nanoseconds /* wall_dt */, std::chrono::nanoseconds /* ros_dt */)
 {
     updateMag();
 }

rviz_imu_plugin/src/mag_display.h

@@ -67,7 +67,7 @@ class MagDisplay
 
     void reset() override;
 
-    void update(float dt, float ros_dt) override;
+    void update(std::chrono::nanoseconds wall_dt, std::chrono::nanoseconds ros_dt) override;
 
   private:
     void createProperties();