tdf#112689 - Replace chained O(U)StringBuffer::append() with operator+

changed OUStringBuffer::append() to op+. deleted unnecessary variable.

Change-Id: Ibe27f7f587f7130e7c31e33a29a88c5ea6478740
Reviewed-on: https://gerrit.libreoffice.org/43395Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
Tested-by: Jenkins <ci@libreoffice.org>

sw/source/ui/vba/vbacolumn.cxx

@@ -62,16 +62,14 @@ SwVbaColumn::Select( )
 
 void SwVbaColumn::SelectColumn( const uno::Reference< frame::XModel >& xModel, const uno::Reference< text::XTextTable >& xTextTable, sal_Int32 nStartColumn, sal_Int32 nEndColumn )
 {
-    OUStringBuffer aRangeName;
     OUString sStartCol = SwVbaTableHelper::getColumnStr( nStartColumn );
-    aRangeName.append(sStartCol).append(sal_Int32( 1 ) );
+    OUString aRangeName = sStartCol + OUString::number( 1 );
     OUString sEndCol = SwVbaTableHelper::getColumnStr( nEndColumn );
     sal_Int32 nRowCount = xTextTable->getRows()->getCount();
-    aRangeName.append(':').append( sEndCol ).append( nRowCount );
+    aRangeName += ":" + sEndCol + OUString::number(nRowCount);
 
     uno::Reference< table::XCellRange > xCellRange( xTextTable, uno::UNO_QUERY_THROW );
-    OUString sSelRange = aRangeName.makeStringAndClear();
-    uno::Reference< table::XCellRange > xSelRange = xCellRange->getCellRangeByName( sSelRange );
+    uno::Reference< table::XCellRange > xSelRange = xCellRange->getCellRangeByName( aRangeName );
 
     uno::Reference< view::XSelectionSupplier > xSelection( xModel->getCurrentController(), uno::UNO_QUERY_THROW );
     xSelection->select( uno::makeAny( xSelRange ) );