Build the ServiceStack.OrmLite SourceCode in VS2017

In VS 2015, the source of ServiceStack.OrmLite 4.5.8, Is Build Successful.

After upgrade to VS 2017, It will occur the one error, Can Fixed it ?
the source code is in OrmLiteUtilExtensionsAsync.cs line 114

二义性 is ambiguity

hmmm weird there must be a subtle breaking change in the latest Roslyn VS2017 uses which fails to build existing source code. Should be fixed in this commit.