cppcheck: fix duplicateExpression

(It seemed logical to me, hope I'm not wrong)

Change-Id: I2c1ffbe69b90655b260a7ecb41ab089b60b27b85
Reviewed-on: https://gerrit.libreoffice.org/4279Reviewed-by: Michael Stahl <mstahl@redhat.com>
Tested-by: Michael Stahl <mstahl@redhat.com>

sw/qa/extras/odfexport/odfexport.cxx

@@ -141,7 +141,7 @@ void Test::testFdo60769()
         uno::Reference<beans::XPropertySet> xPropertySet(xRunEnum->nextElement(), uno::UNO_QUERY);
         OUString aType =  getProperty<OUString>(xPropertySet, "TextPortionType");
         // Second paragraph: no field start
-        CPPUNIT_ASSERT(aType == "Text" || aType == "TextFieldEnd" || aType == "TextFieldEnd");
+        CPPUNIT_ASSERT(aType == "Text" || aType == "TextFieldEnd");
     }
 }