Add a HLADataElementVisitor implementation.

[simgear.git] / simgear / sound / xmlsound.cxx

diff --git a/simgear/sound/xmlsound.cxx b/simgear/sound/xmlsound.cxx
index 3e90752ea3f8e9f7a7a6f7bb7993152b336aaf0a..f3471d4ef0c2c9cfdf2d1b2203f34b8eb071c9e2 100644 (file)
--- a/simgear/sound/xmlsound.cxx
+++ b/simgear/sound/xmlsound.cxx
@@ -30,6 +30,7 @@
 #include <string.h>
 
 #include <simgear/debug/logstream.hxx>
+#include <simgear/props/props.hxx>
 #include <simgear/props/condition.hxx>
 #include <simgear/math/SGMath.hxx>
 #include <simgear/structure/exception.hxx>