Whoops, work-around for #926 correctly.

[flightgear.git] / src / Navaids / PositionedOctree.hxx

diff --git a/src/Navaids/PositionedOctree.hxx b/src/Navaids/PositionedOctree.hxx
index 7cb25ce425566abaa46239f1a7e935311d9685ca..db1a774e4f28e1a8a3618bbfa400b9877bee5a11 100644 (file)
--- a/src/Navaids/PositionedOctree.hxx
+++ b/src/Navaids/PositionedOctree.hxx
@@ -30,6 +30,7 @@
 #include <queue>
 #include <cassert>
 #include <map>
+#include <functional>
 
 // SimGear
 #include <simgear/math/SGGeometry.hxx>