Add linkdelays to osfeature list in the os_info table.

sql/database-create.sql

@@ -1537,7 +1537,7 @@ CREATE TABLE os_info (
   path tinytext,
   magic tinytext,
   machinetype varchar(30) NOT NULL default '',
-  osfeatures set('ping','ssh','ipod','isup','veths','mlinks','linktest') default NULL,
+  osfeatures set('ping','ssh','ipod','isup','veths','mlinks','linktest','linkdelays') default NULL,
   ezid tinyint(4) NOT NULL default '0',
   shared tinyint(4) NOT NULL default '0',
   mustclean tinyint(4) NOT NULL default '1',

sql/database-migrate.txt

@@ -3117,3 +3117,9 @@ last_net_act,last_cpu_act,last_ext_act);
 	alter table os_info change column OS OS \
 	    enum('Unknown','Linux','Fedora','FreeBSD','NetBSD',\
 	         'OSKit','Windows','TinyOS','Other') default 'Unknown';
+
+4.33: Add Fedora as an OS to the os_info table.
+
+       alter table os_info change osfeatures osfeatures \
+	    set('ping','ssh','ipod','isup','veths','mlinks', \
+	         'linktest','linkdelays') default NULL;