[sql] Import reference version of SQLite 3.7.6.3.

third_party/sqlite/sqlite-src-3070603/src/hash.c

 /*
 ** 2001 September 22
 **
 ** 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 257 matching lines @@
       h = strHash(pKey, nKey) % pH->htsize;
     }
   }
   if( pH->ht ){
     insertElement(pH, &pH->ht[h], new_elem);
   }else{
     insertElement(pH, 0, new_elem);
   }
   return 0;
 }