preserve the source owner when creating a delivery fork so that we can uplink back to them without any ambiguity.

install/update.php

@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1077 );
+define( 'UPDATE_VERSION' , 1078 );
 
 /**
  *
@@ -866,3 +866,10 @@ function update_r1076() {
 		return UPDATE_SUCCESS;
 	return UPDATE_FAILED;
 }
+
+function update_r1077() {
+	$r = q("ALTER TABLE `item` ADD `source_xchan` CHAR( 255 ) NOT NULL DEFAULT '' AFTER `author_xchan` ");
+	if($r)
+		return UPDATE_SUCCESS;
+	return UPDATE_FAILED;
+}