Import SQLite 3.8.7.4.

third_party/sqlite/src/ext/misc/regexp.c

 /*
 ** 2012-11-13
 **
 ** 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.
 **
@@ skipping 740 matching lines @@
   sqlite3 *db, 
   char **pzErrMsg, 
   const sqlite3_api_routines *pApi
 ){
   int rc = SQLITE_OK;
   SQLITE_EXTENSION_INIT2(pApi);
   rc = sqlite3_create_function(db, "regexp", 2, SQLITE_UTF8, 0,
                                  re_sql_func, 0, 0);
   return rc;
 }