fix schema version

schema/ttrss_schema_mysql.sql

@@ -203,7 +203,7 @@ create table ttrss_tags (id integer primary key auto_increment,
 
 create table ttrss_version (schema_version int not null) TYPE=InnoDB;
 
-insert into ttrss_version values (26);
+insert into ttrss_version values (27);
 
 create table ttrss_enclosures (id serial not null primary key,
 	content_url text not null,

schema/ttrss_schema_pgsql.sql

@@ -182,7 +182,7 @@ create index ttrss_tags_owner_uid_index on ttrss_tags(owner_uid);
 
 create table ttrss_version (schema_version int not null);
 
-insert into ttrss_version values (26);
+insert into ttrss_version values (27);
 
 create table ttrss_enclosures (id serial not null primary key,
 	content_url text not null,