Use (newly) added wxStaticCastVariantData() to fix wxNO_RTTI build.

Don't define wxDynamicCastVariantData if RTTI is disabled and don't use it in
wxConvertVariantToOle() code as we don't really need it there anyhow.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72262 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/variant.h

@@ -570,7 +570,11 @@ bool classname##VariantData::Eq(wxVariantData& data) const \
                   var.GetWxObjectPtr() : NULL));
 
 // Replacement for using wxDynamicCast on a wxVariantData object
-#define wxDynamicCastVariantData(data, classname) dynamic_cast<classname*>(data)
+#ifndef wxNO_RTTI
+    #define wxDynamicCastVariantData(data, classname) dynamic_cast<classname*>(data)
+#endif
+
+#define wxStaticCastVariantData(data, classname) static_cast<classname*>(data)
 
 extern wxVariant WXDLLIMPEXP_BASE wxNullVariant;