Camera: fix compile warnings re float constants

libraries/AP_Camera/AP_Camera.cpp

@@ -224,7 +224,7 @@ void AP_Camera::send_feedback(mavlink_channel_t chan, AP_GPS &gps, const AP_AHRS
         current_loc.lat, current_loc.lng,
         altitude/100.0f, altitude_rel/100.0f,
         ahrs.roll_sensor/100.0f, ahrs.pitch_sensor/100.0f, ahrs.yaw_sensor/100.0f,
-        0.0,CAMERA_FEEDBACK_PHOTO);
+        0.0f,CAMERA_FEEDBACK_PHOTO);
 }
 
 
@@ -252,4 +252,4 @@ bool AP_Camera::update_location(const struct Location &loc)
     }
     _last_location = loc;
     return true;
-}
+}

libraries/AP_Camera/AP_Camera.h

@@ -81,4 +81,4 @@ private:
 
 };
 
-#endif /* AP_CAMERA_H */
+#endif /* AP_CAMERA_H */