[sql] Import reference version of SQLite 3.7.6.3.

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

 /*
 ** 2001 September 15
 **
 ** 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 2459 matching lines @@
     assert( pName==0 );
     pTab = pParse->pNewTable;
     if( !pTab ) goto exit_create_index;
     iDb = sqlite3SchemaToIndex(db, pTab->pSchema);
   }
   pDb = &db->aDb[iDb];
 
   assert( pTab!=0 );
   assert( pParse->nErr==0 );
   if( sqlite3StrNICmp(pTab->zName, "sqlite_", 7)==0 
-       && sqlite3StrNICmp(&pTab->zName[7],"altertab_",9)!=0 ){
+       && memcmp(&pTab->zName[7],"altertab_",9)!=0 ){
     sqlite3ErrorMsg(pParse, "table %s may not be indexed", pTab->zName);
     goto exit_create_index;
   }
 #ifndef SQLITE_OMIT_VIEW
   if( pTab->pSelect ){
     sqlite3ErrorMsg(pParse, "views may not be indexed");
     goto exit_create_index;
   }
 #endif
 #ifndef SQLITE_OMIT_VIRTUALTABLE
@@ skipping 1257 matching lines @@
     }
     pKey->nField = (u16)nCol;
   }
 
   if( pParse->nErr ){
     sqlite3DbFree(db, pKey);
     pKey = 0;
   }
   return pKey;
 }