Import SQLite 3.8.7.4.

third_party/sqlite/src/ext/fts2/fts2_porter.c

 /*
 ** 2006 September 30
 **
 ** The author disclaims copyright to this source code.  In place of
 ** a legal notice, here is a blessing:
 **
 **    May you do good and not evil.
 **    May you find forgiveness for yourself and forgive others.
 **    May you share freely, never taking more than you give.
 **
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 **       SQLite (in which case SQLITE_ENABLE_FTS2 is defined).
 */
 #if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS2)
 
 
 #include <assert.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 
+#include "sqlite3.h"
+#include "sqlite3ext.h"
+SQLITE_EXTENSION_INIT3
 #include "fts2_tokenizer.h"
 
 /*
 ** Class derived from sqlite3_tokenizer
 */
 typedef struct porter_tokenizer {
   sqlite3_tokenizer base;      /* Base class */
 } porter_tokenizer;
 
 /*
@@ skipping 589 matching lines @@
 ** Allocate a new porter tokenizer.  Return a pointer to the new
 ** tokenizer in *ppModule
 */
 void sqlite3Fts2PorterTokenizerModule(
   sqlite3_tokenizer_module const**ppModule
 ){
   *ppModule = &porterTokenizerModule;
 }
 
 #endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS2) */