always compile at least a minimal version of wxStandardPaths class, it's used too often

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46481 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/apptrait.h

@@ -73,11 +73,9 @@ public:
     // NB: returned pointer will be deleted by the caller
     virtual wxRendererNative *CreateRenderer() = 0;
 
-#if wxUSE_STDPATHS
     // wxStandardPaths object is normally the same for wxBase and wxGUI
     // except in the case of wxMac and wxCocoa
     virtual wxStandardPathsBase& GetStandardPaths();
-#endif // wxUSE_STDPATHS
 
 #if wxUSE_INTL
     // called during wxApp initialization to set the locale to correspond to