straighten mess in names of table usr_preferences_types

scripts/ser_mysql.sh

@@ -254,7 +254,7 @@ INSERT INTO version VALUES ( 'server_monitoring', '1');
 INSERT INTO version VALUES ( 'server_monitoring_agg', '1');
 INSERT INTO version VALUES ( 'trusted', '1');
 INSERT INTO version VALUES ( 'usr_preferences', '1');
-INSERT INTO version VALUES ( 'preferences_types', '1');
+INSERT INTO version VALUES ( 'usr_preferences_types', '1');
 INSERT INTO version VALUES ( 'admin_privileges', '1');
 INSERT INTO version VALUES ( 'calls_forwarding', '1');
 INSERT INTO version VALUES ( 'speed_dial', '1');
@@ -601,11 +601,11 @@ CREATE TABLE usr_preferences (
 
 
 #
-# Table structure for table 'preferences_types' -- types of atributes in preferences
+# Table structure for table 'usr_preferences_types' -- types of atributes in preferences
 #
 
-CREATE TABLE preferences_types (
-  att_name varchar(50) NOT NULL default '',
+CREATE TABLE usr_preferences_types (
+  att_name varchar(32) NOT NULL default '',
   att_rich_type varchar(32) NOT NULL default 'string',
   att_raw_type int(11) unsigned NOT NULL default '2',
   att_type_spec text,