Use quadtree to improve culling of STG objects

[simgear.git] / simgear / sound / openal_test1.cxx

diff --git a/simgear/sound/openal_test1.cxx b/simgear/sound/openal_test1.cxx
index 60aba9f80211b3580a9b42a3abcab828268d7025..7909f2cd3938028f58b35b7062a5c43ba1ba2365 100644 (file)
--- a/simgear/sound/openal_test1.cxx
+++ b/simgear/sound/openal_test1.cxx
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <cstdlib> // EXIT_FAILURE
 
 #ifdef _WIN32
 #include <windows.h>