Another windows build fix, declare LuaDialog::ProgressWindow

diff --git a/libs/ardour/luabindings.cc b/libs/ardour/luabindings.cc
index 2157763d7cb85f5f9c1a2f4b8e404bc8eb9f73be..a642d92864f3d2dfdd273aad68521c127158364e 100644 (file)
--- a/libs/ardour/luabindings.cc
+++ b/libs/ardour/luabindings.cc
@@ -297,6 +297,7 @@ namespace LuaCairo {
 namespace LuaDialog {
        class Message;
        class Dialog;
+       class ProgressWindow;
 }
 
 namespace Cairo {