CheckIn: Fix an issue - [accessibility]duplicate shortcut in select

column window for xls data set[53648]

data/org.eclipse.birt.report.data.oda.excel.ui/src/org/eclipse/birt/report/data/oda/excel/ui/i18n/messages.properties

@@ -17,13 +17,13 @@ connection_CANNOT_OPEN_EXCEL_FILE_DB_DIR=Unable to open Excel data source file i
 ui.ExcelFileNotFound=Unable to locate the specified Excel data source file
 label.selectFolder=S&elect folder:
 label.selectFile=Select f&ile:
-label.selectworksheet=Select &worksheet:
+label.selectworksheet=Select works&heet:
 label.includeTypeLine=Use second line as &data type indicator.
 label.includeColumnNameLine = Use first line &as column name indicator.
 
 button.selectFolder.browse=B&rowse...
 button.moveUp=&Up
-button.moveDown=Do&wn
+button.moveDown=D&own
 button.delete=D&elete
 button.selectFileURI.menuItem.relativePath=&Relative path
 button.selectFileURI.menuItem.absolutePath=&Absolute path