Added back necessary defines 'cleaned' away. If folks could resist the urge to delete

them again, I'd be much obliged. We can change the symbol name if necessary.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41942 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/richtext/richtextsymboldlg.h

@@ -30,6 +30,13 @@ class WXDLLIMPEXP_CORE wxStaticText;
 class WXDLLIMPEXP_CORE wxTextCtrl;
 ////@end forward declarations
 
+// __UNICODE__ is a symbol used by DialogBlocks-generated code.
+#ifndef __UNICODE__
+#if wxUSE_UNICODE
+#define __UNICODE__
+#endif
+#endif
+
 /*!
  * Symbols
  */