Revert wxwidgets.hpp change -- problem appears to have been that gui/wxwidgets...

Revert wxwidgets.hpp change -- problem appears to have been that gui/wxwidgets had been getting built against non-Unicode lib.

modules/gui/wxwidgets/wxwidgets.hpp

 /*****************************************************************************
- * wxwidgets.hpp: Common headers for the wxwidges interface
+ * wxwidgets.hpp: Common headers for the wxwidgets interface
  *****************************************************************************
  * Copyright (C) 1999-2005 the VideoLAN team
  * $Id$
@@ -97,7 +97,7 @@ static inline char *wxFromLocale (const wxString& string)
 {
 #if defined( wxUSE_UNICODE )
 # if defined( WIN32 )
-    return (char *) wxConvCurrent->cWX2MB(string);
+    return FromWide ((const wchar_t *)string.c_str());
 #  define wxLocaleFree free
 # else
     return FromLocale (string.mb_str());