Fix iteration over links storage

[cyborgshead]

Node failed on restart if any cyberlink applied to

I[2020-03-04|20:31:34.083] starting ABCI with Tendermint                module=main 
I[2020-03-04|20:31:34.130] Loading mem state                            module=main 
I[2020-03-04|20:31:34.138] App loaded                                   module=main time=7.343946ms
I[2020-03-04|20:31:34.145] Search index loaded!                         module=main time=2.564161ms
I[2020-03-04|20:31:34.146] Search index starting listen new rank        module=main 
I[2020-03-04|20:31:34.146] Search index starting listen new links       module=main 
I[2020-03-04|20:31:34.270] Rank constructing tree                       module=main time=1.135µs
I[2020-03-04|20:31:34.270] Rank calculated                              module=main time=40.433µs links=0 objects=0 hash=e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
I[2020-03-04|20:31:34.347] Rank constructing tree                       module=main time=3.179µs
I[2020-03-04|20:31:34.347] Rank calculated                              module=main time=38.035µs links=1 objects=2 hash=16ff02a64b812c286dde852cedfa46433ee7fe5cc6b00f1e747ae77efbcc443d
panic: block.AppHash does not match AppHash after replay. Got C828AEE64A39B964658B9C932F4F1C4D2BD0E368F3AD544E46DDED6D03C14FA9, expected 102C218BA1AEF4BEA00DF2FEE12AE6EB66DDCF2073158CC7321D0F5E0B524E6F.

Block: Block{
  Header{
    Version:        {10 0}
    ChainID:        euler-x
    Height:         361
    Time:           2020-03-04 17:28:05.36630365 +0000 UTC
    LastBlockID:    05CFCC65E9027C6327D9C31A39358D19D8585A3A5F5B265D9AD4407347DB8622:1:9F6825A28454
    LastCommit:     1E0E99537A28506DE2DA72005E798ACC68AF533735B004298B6FBC92F7FCBF4E
    Data:           
    Validators:     3A3203805BCBF30DEA1E6E4068399C5A8E42353F50A9884CF65AEA0FEE3EFABF
    NextValidators: 3A3203805BCBF30DEA1E6E4068399C5A8E42353F50A9884CF65AEA0FEE3EFABF
    App:            102C218BA1AEF4BEA00DF2FEE12AE6EB66DDCF2073158CC7321D0F5E0B524E6F
    Consensus:      048091BC7DDC283F77BFBF91D73C44DA58C3DF8A9CBC867405D8B7F3DAADA22F
    Results:        
    Evidence:       
    Proposer:       47DAF0CE5033E7FC4705B30CFBA2BE8721360EE8
  }#5676CCEBE6F6D0CF47C3DE09B57915139843B1AA664103C6A27C795BFB5F7BFD
  Data{
    
  }#
  EvidenceData{
    
  }#
  Commit{
    Height:     360
    Round:      0
    BlockID:    05CFCC65E9027C6327D9C31A39358D19D8585A3A5F5B265D9AD4407347DB8622:1:9F6825A28454
    Signatures:
      CommitSig{8BA15043E7FE by 47DAF0CE5033 on 2 @ 2020-03-04T17:28:05.36630365Z}
  }#
}#5676CCEBE6F6D0CF47C3DE09B57915139843B1AA664103C6A27C795BFB5F7BFD

[cyborgshead]

There is issue during links iteration in storage

binary.LittleEndian.PutUint64(endAsBytes, uint64(ver+1)) // Iterator end is exclusive.