X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FMain%2Fviewer.cxx;h=ab5f6aa44c99b977e1578e116464241f59e9eec2;hb=fdbfd6fd0b789eecf2c532d048a75d15f8d35ad8;hp=ffa05fc3f3499b4160771df8af9b43eb1759ee81;hpb=fcb255d19e9c6cca805ba8776b8d26da6af718c4;p=flightgear.git

diff --git a/src/Main/viewer.cxx b/src/Main/viewer.cxx
index ffa05fc3f..ab5f6aa44 100644
--- a/src/Main/viewer.cxx
+++ b/src/Main/viewer.cxx
@@ -28,13 +28,13 @@
 #endif
 
 #include <simgear/compiler.h>
+#include <cassert>
 
 #include "fg_props.hxx"
 
 #include <simgear/debug/logstream.hxx>
 #include <simgear/constants.h>
 #include <simgear/scene/model/placement.hxx>
-#include <simgear/math/vector.hxx>
 
 #include <Main/globals.hxx>
 #include <Scenery/scenery.hxx>