IDEMPIERE-2144 Pack in of Attachment: Update entry is using wrong index.

org.adempiere.base/src/org/compiere/model/MAttachment.java

@@ -303,6 +303,7 @@ public class MAttachment extends X_AD_Attachment
 		}
 		if (!replaced) {
 			 retValue = m_items.add(item);
+			 item.setIndex(m_items.size());
 		}
 		if (log.isLoggable(Level.FINE)) log.fine(item.toStringX());
 		setBinaryData(new byte[0]); // ATTENTION! HEAVY HACK HERE... Else it will not save :(

org.adempiere.base/src/org/compiere/model/MAttachmentEntry.java

@@ -295,5 +295,9 @@ public class MAttachmentEntry
 			return null;
 		return new ByteArrayInputStream(m_data);
 	}	//	getInputStream
+
+	public void setIndex(int index) {
+		m_index = index;
+	}
 	
 }	//	MAttachmentItem

org.adempiere.pipo/src/org/adempiere/pipo2/PoFiller.java

@@ -304,15 +304,20 @@ public class PoFiller{
 					MAttachment attach = ((MAttachment)po);
 					for (File file : files) {
 						boolean found = false;
+						int index = -1;
 						for (MAttachmentEntry entry : attach.getEntries()) {
+							index++;
 							if (entry.getName().equals(file.getName())) {
 								found = true;
-								attach.updateEntry(entry.getIndex(), file);
+								attach.updateEntry(index, file);
+								break;
 							}
 						}
 						if (! found)
 							attach.addEntry(file);
 					}
+					if (!attach.is_Changed())
+						attach.set_ValueNoCheck("Updated", new Timestamp(System.currentTimeMillis()));
 				}
 			} else {
 				Object data = null;