Fix Linux build

diff --git a/src/Navaids/positioned.cxx b/src/Navaids/positioned.cxx
index 045839da3398229236db5bd3b3f83147730aabbd..b67e9c75d70b96bc3b47bc057f5f1986d0c19876 100644 (file)
--- a/src/Navaids/positioned.cxx
+++ b/src/Navaids/positioned.cxx
@@ -28,6 +28,7 @@
 #include <set>
 #include <algorithm> // for sort
 #include <queue>
+#include <memory>
 
 #include <boost/algorithm/string/case_conv.hpp>
 #include <boost/algorithm/string/predicate.hpp>