no .netstandard2.0 support

[Patrick]

Hi,

It seems there is a bug for .net standard 2.0. im getting an exception when building.
It does work for a .net core console project. but not for a .net standard class librairy

related to #65
repro: https://github.com/Patrickkk/FodyNullguardNetStandard

Severity	Code	Description	Project	File	Line	Suppression State
Error		Fody: An unhandled exception occurred:
Exception:
Sequence contains no matching element
StackTrace:
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source, Func`2 predicate)
   at ReferenceFinder.FindReferences(IAssemblyResolver assemblyResolver, ModuleDefinition moduleDefinition)
   at ModuleWeaver.Execute()
   at lambda_method(Closure , Object )
   at InnerWeaver.ExecuteWeavers() in C:\Code\Fody\Fody\FodyIsolated\InnerWeaver.cs:line 181
   at InnerWeaver.Execute() in C:\Code\Fody\Fody\FodyIsolated\InnerWeaver.cs:line 86
Source:
System.Core
TargetSite:
TSource First[TSource](System.Collections.Generic.IEnumerable`1[TSource], System.Func`2[TSource,System.Boolean])
	netStandardTest		1	

Regards,

Patrick

[Simon Cropp]

the fix is now on nuget. thanks for the repro

[Patrick]

Works indeed.

[Simon Cropp]

Sorry for the delay