provide both const char* and const wchar_t* implicit conversion of wxCStrData regardless of the build type

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@45262 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/intl.cpp

@@ -1534,7 +1534,8 @@ bool wxLocale::Init(const wxString& name,
     // the argument to setlocale()
     szLocale = shortName;
 
-    wxCHECK_MSG( szLocale, false, _T("no locale to set in wxLocale::Init()") );
+    wxCHECK_MSG( !szLocale.empty(), false,
+                 _T("no locale to set in wxLocale::Init()") );
   }
 
 #ifdef __WXWINCE__