make IsKindOf() taking a const wxClassInfo* instead of a wxClassInfo*, just like the homonym method in wxClassInfo

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56550 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/object.cpp

@@ -97,9 +97,9 @@ const bool wxFalse = false;
 // E.g. is wxWindow a kind of wxObject?
 // Go from this class to superclass, taking into account
 // two possible base classes.
-bool wxObject::IsKindOf(wxClassInfo *info) const
+bool wxObject::IsKindOf(const wxClassInfo *info) const
 {
-    wxClassInfo *thisInfo = GetClassInfo();
+    const wxClassInfo *thisInfo = GetClassInfo();
     return (thisInfo) ? thisInfo->IsKindOf(info) : false ;
 }