destroy the abort dialog when done with it

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58210 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/prntbase.cpp

@@ -512,6 +512,7 @@ void wxPrintAbortDialog::OnCancel(wxCommandEvent& WXUNUSED(event))
     wxPrinterBase::sm_abortIt = true;
     wxPrinterBase::sm_abortWindow->Show(false);
     wxPrinterBase::sm_abortWindow->Close(true);
+    wxPrinterBase::sm_abortWindow->Destroy();
     wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
 }