bad comma?

js/x3dom_functions.js

@@ -397,7 +397,7 @@ function x3dom_toYawPitchRoll(){
         0, 0,-1, 0,
         1, 0, 0, 0,
         0,-1, 0, 0,
-        0, 0, 0, 1,
+        0, 0, 0, 1
     );
 }