sync item_search with yesterday's network fix for collections. Add ud_addr to update table to store the target address since it's possible the mirroring directory won't yet have an xchan or hubloc they can link the ud_hash to and therefore mayn't know how to contact them.

install/update.php

@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1071 );
+define( 'UPDATE_VERSION' , 1072 );
 
 /**
  *
@@ -805,3 +805,11 @@ ADD INDEX ( `ud_flags` )");
 	return UPDATE_FAILED;
 }
 
+function update_r1071() {
+	$r = q("ALTER TABLE `updates` ADD `ud_addr` CHAR( 255 ) NOT NULL DEFAULT '',
+ADD INDEX ( `ud_addr` ) ");
+	if($r)
+		return UPDATE_SUCCESS;
+	return UPDATE_FAILED;
+}
+