Convert use_ipassign from boolean (1).

sql/database-create.sql

@@ -288,7 +288,7 @@ CREATE TABLE experiments (
   allowfixnode tinyint(4) NOT NULL default '1',
   jail_osname varchar(20) default NULL,
   delay_osname varchar(20) default NULL,
-  use_ipassign tinyint(1) NOT NULL default '0',
+  use_ipassign tinyint(4) NOT NULL default '0',
   ipassign_args varchar(255) default NULL,
   linktest_level tinyint(4) NOT NULL default '0',
   PRIMARY KEY  (eid,pid),

sql/database-migrate.txt

@@ -1530,3 +1530,10 @@ last_net_act,last_cpu_act,last_ext_act);
 
       alter table node_types add trivlink_maxspeed int(11) unsigned \
 	   NOT NULL default '0' after simnode_capacity;
+
+1.245: Change use_ipassign in experiments table to more than a
+       boolean:
+
+	alter table experiments change use_ipassign \
+		  use_ipassign tinyint(4) NOT NULL default '0';
+