Don't use size_t for plural forms parameter.

size_t should be used for size of objects, which wxGetTranslation() and
wxTranslations::GetString() 'n' argument isn't -- it's just a regular
integer.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@64215 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/intl.h

@@ -302,7 +302,7 @@ public:
     // plural form version of the same:
     const wxString& GetString(const wxString& origString,
                               const wxString& origString2,
-                              size_t n,
+                              unsigned n,
                               const wxString& domain = wxEmptyString) const
     {
         return wxGetTranslation(origString, origString2, n, domain);