through->throw

Change-Id: I0bc0fca465c0dd020f50aadfd1f5c3f61b42d7ae
Reviewed-on: https://gerrit.libreoffice.org/42429Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

sw/source/filter/xml/xmltexti.cxx

@@ -158,7 +158,7 @@ SwXMLTextImportHelper::SwXMLTextImportHelper(
 SwXMLTextImportHelper::~SwXMLTextImportHelper()
 {
     // the redline helper destructor sets properties on the document
-    // and may through an exception while doing so... catch this
+    // and may throw an exception while doing so... catch this
     try
     {
         delete pRedlineHelper;