X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FInstrumentation%2Fmarker_beacon.cxx;h=52b3c67789b4f3b17bfb717717db8abf8a431cb4;hb=6b9aa0fb970e90aaf8d6800b77b3abe84ae9906d;hp=50c85edafd9b442ab81fd1482400e9965aebb83c;hpb=8e3314a7ec17732d153624e318b13b0ca03c2353;p=flightgear.git

diff --git a/src/Instrumentation/marker_beacon.cxx b/src/Instrumentation/marker_beacon.cxx
index 50c85edaf..52b3c6778 100644
--- a/src/Instrumentation/marker_beacon.cxx
+++ b/src/Instrumentation/marker_beacon.cxx
@@ -30,6 +30,7 @@
 #include <simgear/compiler.h>
 #include <simgear/math/sg_random.h>
 #include <simgear/misc/sg_path.hxx>
+#include <simgear/sound/sample_group.hxx>
 
 #include <Navaids/navlist.hxx>