Provide the new SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER option to

sqlite3_db_config() that can be used to activate the two-argument version
of fts3_tokenizer() for a specific database connection at run-time.

FossilOrigin-Name: 374b5108087a2eae03676c0f3469b37a272145bf

src/sqliteInt.h

@@ -1327,6 +1327,7 @@ struct sqlite3 {
 #define SQLITE_VdbeEQP        0x04000000  /* Debug EXPLAIN QUERY PLAN */
 #define SQLITE_Vacuum         0x08000000  /* Currently in a VACUUM */
 #define SQLITE_CellSizeCk     0x10000000  /* Check btree cell sizes on load */
+#define SQLITE_Fts3Tokenizer  0x20000000  /* Enable fts3_tokenizer(2) */
 
 
 /*