misc: Use XGL_API_VERSION instead of hard coded value
diff --git a/demos/cube.c b/demos/cube.c
index 79aec2e..0f22b90 100644
--- a/demos/cube.c
+++ b/demos/cube.c
@@ -1479,7 +1479,7 @@
         .appVersion = 0,
         .pEngineName = "cube",
         .engineVersion = 0,
-        .apiVersion = XGL_MAKE_VERSION(0, 22, 0),
+        .apiVersion = XGL_API_VERSION,
     };
     const XGL_WSI_X11_CONNECTION_INFO connection = {
         .pConnection = demo->connection,