navigator: Feedback strings / text and logic was not consistent in previous state, fixed.

src/modules/navigator/mission_feasibility_checker.cpp

@@ -136,14 +136,14 @@ bool MissionFeasibilityChecker::checkHomePositionAltitude(dm_item_t dm_current,
 		}
 
 		/* calculate the global waypoint altitude */
-		float wp_alt = (missionitem.altitude_is_relative) ? missionitem.altitude + home_alt ? missionitem.altitude;
+		float wp_alt = (missionitem.altitude_is_relative) ? missionitem.altitude + home_alt : missionitem.altitude;
 
 		if (home_alt > wp_alt) {
 			if (throw_error) {
-				mavlink_log_critical(_mavlink_fd, "Warning: Waypoint %d below home", i);
+				mavlink_log_critical(_mavlink_fd, "Rejecting Mission: Waypoint %d below home", i);
 				return false;
 			} else	{
-				mavlink_log_critical(_mavlink_fd, "Rejecting Mission: Waypoint %d below home", i);
+				mavlink_log_critical(_mavlink_fd, "Warning: Waypoint %d below home", i);
 				return true;
 			}
 		}