SafeModeDialog: Close dialog before restarting

Change-Id: I714040d0892cf154e002209dbdb4831b40ec08bc
Reviewed-on: https://gerrit.libreoffice.org/30472
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

svx/source/dialog/SafeModeDialog.cxx

@@ -289,7 +289,7 @@ IMPL_LINK(SafeModeDialog, BtnHdl, Button*, pBtn, void)
     }
     else if (pBtn == mpBtnRestart.get())
     {
-        //Close();
+        Close();
         applyChanges();
     }
 }