set default charset of email_header_encode, add ud_flags to indicate which (directory sync) updates have been processed in some way.

install/update.php

@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1070 );
+define( 'UPDATE_VERSION' , 1071 );
 
 /**
  *
@@ -797,3 +797,11 @@ ADD INDEX ( `site_sellpage` )");
 	return UPDATE_FAILED;
 }
 
+function update_r1070() {
+	$r = q("ALTER TABLE `updates` ADD `ud_flags` INT NOT NULL DEFAULT '0',
+ADD INDEX ( `ud_flags` )");
+	if($r)
+		return UPDATE_SUCCESS;
+	return UPDATE_FAILED;
+}
+