Index: trunk/admin/install/inportal_schema.sql
===================================================================
diff -u -N -r4243 -r4330
--- trunk/admin/install/inportal_schema.sql	(.../inportal_schema.sql)	(revision 4243)
+++ trunk/admin/install/inportal_schema.sql	(.../inportal_schema.sql)	(revision 4330)
@@ -113,6 +113,7 @@
   ValueList varchar(255) default NULL,
   DisplayOrder int(11) NOT NULL default '0',
   OnGeneralTab tinyint(4) NOT NULL default '0',
+  IsSystem tinyint(3) unsigned NOT NULL default '0',
   PRIMARY KEY  (CustomFieldId),
   KEY Type (Type)
 )