fix for infinite loop after FsiReset
fix for infinite loop after FsiReset

fsharp/xamarin-monodevelop-fsharp-addin,nosami/xamarin-monodevelop-fsharp-addin,fsharp/fsharpbinding,Ming-Tang/fsharpbinding,fsharp/xamarin-monodevelop-fsharp-addin,nosami/xamarin-monodevelop-fsharp-addin,fsharp/fsharpbinding,fsharp/fsharpbinding,Ming-Tang/fsharpbinding,Ming-Tang/fsharpbinding