store FilterConfigItem options in dispose

Change-Id: I090303dcff833997774fc69826dc7feffa05a3c5
diff --git a/filter/source/flash/impswfdialog.cxx b/filter/source/flash/impswfdialog.cxx
index bbe0bfb..9a0da76 100644
--- a/filter/source/flash/impswfdialog.cxx
+++ b/filter/source/flash/impswfdialog.cxx
@@ -73,6 +73,7 @@ void ImpSWFDialog::dispose()
    mpCheckExportSound.clear();
    mpCheckExportOLEAsJPEG.clear();
    mpCheckExportMultipleFiles.clear();
    maConfigItem.WriteModifiedConfig();
    ModalDialog::dispose();
}

diff --git a/filter/source/svg/impsvgdialog.cxx b/filter/source/svg/impsvgdialog.cxx
index 2e70390..2fe2bb4 100644
--- a/filter/source/svg/impsvgdialog.cxx
+++ b/filter/source/svg/impsvgdialog.cxx
@@ -106,6 +106,7 @@ void ImpSVGDialog::dispose()
    maBTOK.disposeAndClear();
    maBTCancel.disposeAndClear();
    maBTHelp.disposeAndClear();
    maConfigItem.WriteModifiedConfig();
    ModalDialog::dispose();
}