Bump size of state/batchstate to 16 chars.

sql/database-create.sql

@@ -253,7 +253,7 @@ CREATE TABLE experiments (
   autoswap_timeout int(4) NOT NULL default '0',
   batchmode tinyint(4) NOT NULL default '0',
   shared tinyint(4) NOT NULL default '0',
-  state varchar(12) NOT NULL default 'new',
+  state varchar(16) NOT NULL default 'new',
   maximum_nodes tinyint(4) default NULL,
   minimum_nodes tinyint(4) default NULL,
   testdb tinytext,
@@ -262,7 +262,7 @@ CREATE TABLE experiments (
   logfile_open tinyint(4) NOT NULL default '0',
   attempts smallint(5) unsigned NOT NULL default '0',
   canceled tinyint(4) NOT NULL default '0',
-  batchstate varchar(12) default NULL,
+  batchstate varchar(16) default NULL,
   event_sched_pid int(11) default '0',
   prerender_pid int(11) default '0',
   uselinkdelays tinyint(4) NOT NULL default '0',

sql/database-migrate.txt

@@ -977,3 +977,11 @@ last_net_act,last_cpu_act,last_ext_act);
 
        alter table experiments add keyhash varchar(64) default NULL \
 		after mem_usage;
+
+1.187: Increase the length of the state and batchstate fields.
+
+       alter table experiments change state state varchar(16) NOT NULL \
+		default 'new';
+       alter table experiments change batchstate batchstate varchar(16) \
+	        default NULL;
+