add city32 -- but failed

nhandled Exception: System.BadImageFormatException: An attempt was made
to load
a program with an incorrect format. (Exception from HRESULT: 0x8007000B)
at CityHash.External.CityHash64(StringBuilder s, UInt32 len)
at MurmurHashPerformance.HashServices.CityHashCode(String data)
at MurmurHashPerformance.EnglishWordHashTesting.HashTesting()
at MurmurHashPerformance.Program.Main(String[] args)