[BUG] Unable to mine VerusCoin

[BrianBMN]

Describe the bug
When trying to mine VerusCoin with SRBminer 0.7.9 I receive a socket error.

To Reproduce
Steps to reproduce the behavior:
Successfully cloned the latest master branch then built and configured a pool using steps outlined in the readme.md and example config.
run mining cor from build directory with: dotnet Miningcore.dll -c config.json

Expected behavior
Mine shares as jobs are received

**System information:
Windows 10 x64 .net core 3.1.18
SRBminer 0.7.9

**Software information:
Latest commit from the master branch

Additional context
Log Files Attached
miningcore.log
VerusPool.log

Stack Trace:
[2021-08-25 21:46:00.7726] [E] [VerusPool] [0HMB87EHNTJFB] Connection error state: System.EntryPointNotFoundException: Unable to find an entry point named 'verushash_export' in DLL 'libmultihash'.
at Miningcore.Native.LibMultihash.verushash2v2(Byte* input, Void* output, Int32 inputLength)
at Miningcore.Crypto.Hashing.Algorithms.Verushash.Digest(ReadOnlySpan1 data, Span1 result, Object[] extra) in V:\miningcore\src\Miningcore\Crypto\Hashing\Algorithms\Verus.cs:line 13
at Miningcore.Blockchain.Equihash.Custom.VerusCoin.VerusCoinJob.ProcessShareInternal(StratumClient worker, String nonce, UInt32 nTime, String solution) in V:\miningcore\src\Miningcore\Blockchain\Equihash\Custom\VerusCoin\VerusCoinJob.cs:line 89
at Miningcore.Blockchain.Equihash.EquihashJob.ProcessShare(StratumClient worker, String extraNonce2, String nTime, String solution) in V:\miningcore\src\Miningcore\Blockchain\Equihash\EquihashJob.cs:line 464
at Miningcore.Blockchain.Equihash.EquihashJobManager.SubmitShareAsync(StratumClient worker, Object submission, Double stratumDifficultyBase, CancellationToken ct) in V:\miningcore\src\Miningcore\Blockchain\Equihash\EquihashJobManager.cs:line 290
at Miningcore.Blockchain.Equihash.EquihashPool.OnSubmitAsync(StratumClient client, Timestamped1 tsRequest, CancellationToken ct) in V:\miningcore\src\Miningcore\Blockchain\Equihash\EquihashPool.cs:line 250 at Miningcore.Blockchain.Equihash.EquihashPool.OnRequestAsync(StratumClient client, Timestamped1 tsRequest, CancellationToken ct) in V:\miningcore\src\Miningcore\Blockchain\Equihash\EquihashPool.cs:line 343
at Miningcore.Stratum.StratumServer.OnRequestAsync(StratumClient client, JsonRpcRequest request, CancellationToken ct) in V:\miningcore\src\Miningcore\Stratum\StratumServer.cs:line 232
at Miningcore.Stratum.StratumClient.ProcessRequestAsync(Func4 onRequestAsync, ReadOnlySequence1 lineBuffer) in V:\miningcore\src\Miningcore\Stratum\StratumClient.cs:line 360
at Miningcore.Stratum.StratumClient.ProcessReceivePipeAsync(TcpProxyProtocolConfig proxyProtocol, Func`4 onRequestAsync) in V:\miningcore\src\Miningcore\Stratum\StratumClient.cs:line 291