fix linter errors

Mauro Passerino · Mauro Passerino · commit 5c81264ef97d · 2021-01-18T15:03:17.000-03:00
diff --git a/rclcpp/include/rclcpp/executors/events_executor_notify_waitable.hpp b/rclcpp/include/rclcpp/executors/events_executor_notify_waitable.hpp
@@ -16,6 +16,7 @@
 #define RCLCPP__EXECUTORS__EVENTS_EXECUTOR_NOTIFY_WAITABLE_HPP_
 
 #include <list>
+#include <memory>
 
 #include "rcl/guard_condition.h"
 #include "rclcpp/executors/event_waitable.hpp"
diff --git a/rclcpp/src/rclcpp/executors/events_executor_entities_collector.cpp b/rclcpp/src/rclcpp/executors/events_executor_entities_collector.cpp
@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#include <memory>
 #include <string>
 #include <utility>
 #include <vector>
