Fixed problem inserting a Table RO, when the Table RO is of RO Type 3 (multiple return value)

PROMS/Volian.Controls.Library/DisplayRO.cs

@@ -200,6 +200,7 @@ namespace Volian.Controls.Library
 							btnPreviewRO.Enabled = false;
 							break;
 						case 2: // Table RO type
+						case 3: // This is type 3 when part of a multiple return value
 							tbROValue.Text = "(Table)";
 							btnPreviewRO.Enabled = true;
 							break;