Import SQLite 3.10.2.

third_party/sqlite/src/test/threadtest4.c

 /*
 ** 2014-12-11
 **
 ** 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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     }
     nErr += aInfo[i].nErr;
     nTest += aInfo[i].nTest;
     fflush(stdout);
   }
   sqlite3_close(db);
   sqlite3_free(aInfo);
   printf("Total %d errors in %d tests\n", nErr, nTest);
   return nErr;
 }