reenable task flag

src/examples/publisher/publisher.cpp

@@ -32,7 +32,11 @@ using namespace px4;
 /**
  * This tutorial demonstrates simple sending of messages over the PX4 middleware system.
  */
-// __EXPORT bool task_should_exit;
+
+namespace px4
+{
+bool task_should_exit = false;
+}
 
 PX4_MAIN_FUNCTION(publisher)
 {

src/examples/subscriber/subscriber.cpp

@@ -36,8 +36,10 @@ void rc_channels_callback(const PX4_TOPIC_T(rc_channels) *msg)
 {
 	PX4_INFO("I heard: [%lu]", msg->timestamp_last_valid);
 }
-
-// __EXPORT bool task_should_exit;
+namespace px4
+{
+bool task_should_exit = false;
+}
 
 PX4_MAIN_FUNCTION(subscriber)
 {