-bool wxHtmlHelpController::AddBook(const wxString& book, bool show_wait_msg = FALSE)
+bool wxHtmlHelpController::AddBook(const wxString& book, bool show_wait_msg)
{
wxFSFile *fi;
wxFileSystem fsys;
return;
}
+#if wxUSE_BUSYINFO
wxBusyInfo busyinfo(_("Preparing help window..."));
+#endif
if (m_Config) ReadCustomization(m_Config, m_ConfigRoot);