pvs-studio: The 'aIndexFolderResultVector' variable is used after it was moved

Change-Id: I565f22594a371188c4a6eff5f405946ec1e04d95
Reviewed-on: https://gerrit.libreoffice.org/62061
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

xmlhelp/source/cxxhelp/provider/resultsetforquery.cxx

@@ -237,7 +237,6 @@ ResultSetForQuery::ResultSetForQuery( const uno::Reference< uno::XComponentConte
             }
 
             aIndexFolderResultVectorVector.push_back( std::move(aIndexFolderResultVector) );
-            aIndexFolderResultVector.clear();
         }
         catch (const Exception &e)
         {