Suppress a warning in Eclipse

std/java/internal/Exceptions.hx

@@ -35,6 +35,7 @@ class Exceptions {
 	}
 }
 
+@:classCode("public static final long serialVersionUID = 5956463319488556322L;")
 @:nativeGen @:keep @:native("haxe.lang.HaxeException") private class HaxeException extends RuntimeException
 {
 	private var obj:Dynamic;