move comment to where it makes more sense

h2/src/main/org/h2/store/LobStorageBackend.java

@@ -123,10 +123,10 @@ public class LobStorageBackend implements LobStorageInterface {
                             "INFORMATION_SCHEMA.INDEX_LOB_TABLE ON " + LOBS + "(TABLE)");
                     stat.execute("CREATE CACHED TABLE IF NOT EXISTS " + LOB_MAP +
                             "(LOB BIGINT, SEQ INT, POS BIGINT, HASH INT, BLOCK BIGINT, PRIMARY KEY(LOB, SEQ)) HIDDEN");
-                    // TODO the column name OFFSET was used in version 1.3.156,
-                    // so this can be remove in a later version
                     stat.execute("ALTER TABLE " + LOB_MAP + " RENAME TO " + LOB_MAP + " HIDDEN");
                     stat.execute("ALTER TABLE " + LOB_MAP + " ADD IF NOT EXISTS POS BIGINT BEFORE HASH");
+                    // TODO the column name OFFSET was used in version 1.3.156,
+                    // so this can be remove in a later version
                     stat.execute("ALTER TABLE " + LOB_MAP + " DROP COLUMN IF EXISTS \"OFFSET\"");
                     stat.execute("CREATE INDEX IF NOT EXISTS " +
                             "INFORMATION_SCHEMA.INDEX_LOB_MAP_DATA_LOB ON " + LOB_MAP + "(BLOCK, LOB)");