Fix references to Nito.AsyncEx package binaries

Author: daviwil

src/PowerShellEditorServices/PowerShellEditorServices.csproj

@@ -36,15 +36,15 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Nito.AsyncEx, Version=3.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\Nito.AsyncEx.3.0.0\lib\net45\Nito.AsyncEx.dll</HintPath>
+      <HintPath>..\..\packages\Nito.AsyncEx.3.0.0\lib\net45\Nito.AsyncEx.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Nito.AsyncEx.Concurrent, Version=3.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\Nito.AsyncEx.3.0.0\lib\net45\Nito.AsyncEx.Concurrent.dll</HintPath>
+      <HintPath>..\..\packages\Nito.AsyncEx.3.0.0\lib\net45\Nito.AsyncEx.Concurrent.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Nito.AsyncEx.Enlightenment, Version=3.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\Nito.AsyncEx.3.0.0\lib\net45\Nito.AsyncEx.Enlightenment.dll</HintPath>
+      <HintPath>..\..\packages\Nito.AsyncEx.3.0.0\lib\net45\Nito.AsyncEx.Enlightenment.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System" />