ProgressDialog does not depend on ErrorDialog

src/widgets/ErrorDialog.h

@@ -85,22 +85,4 @@ private:
    bool mSetInsertionPointEnd{};
 };
 
-/**************************************************************************//**
-
-\brief Wrap wxMessageDialog so that caption IS translatable.
-********************************************************************************/
-class AudacityMessageDialog : public wxTabTraversalWrapper< wxMessageDialog >
-{
-public:
-    AudacityMessageDialog(
-         wxWindow *parent,
-         const wxString& message,
-         const wxString& caption, // don't use = wxMessageBoxCaptionStr,
-         long style = wxOK|wxCENTRE,
-         const wxPoint& pos = wxDefaultPosition)
-   : wxTabTraversalWrapper< wxMessageDialog>
-      ( parent, message, caption, style, pos )
-   {}
-};
-
 #endif // __AUDACITY_ERRORDIALOG__

src/widgets/ProgressDialog.cpp

@@ -50,7 +50,6 @@
 #include <wx/window.h>
 #include <wx/stattext.h>
 
-#include "ErrorDialog.h"
 #include "../Prefs.h"
 
 // This really should be a Preferences setting

src/widgets/wxPanelWrapper.h

@@ -183,4 +183,24 @@ public:
    }
 };
 
+#include <wx/msgdlg.h>
+
+/**************************************************************************//**
+
+\brief Wrap wxMessageDialog so that caption IS translatable.
+********************************************************************************/
+class AudacityMessageDialog : public wxTabTraversalWrapper< wxMessageDialog >
+{
+public:
+    AudacityMessageDialog(
+         wxWindow *parent,
+         const wxString& message,
+         const wxString& caption, // don't use = wxMessageBoxCaptionStr,
+         long style = wxOK|wxCENTRE,
+         const wxPoint& pos = wxDefaultPosition)
+   : wxTabTraversalWrapper< wxMessageDialog>
+      ( parent, message, caption, style, pos )
+   {}
+};
+
 #endif