Fixed SLN link to ImNodes (#373)

Author: mbwilding

src/ImGui.NET.sln

@@ -12,7 +12,7 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CodeGenerator", "CodeGenera
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImPlot.NET", "ImPlot.NET\ImPlot.NET.csproj", "{817A9820-E750-43AB-B89E-FD51E58ACBF4}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "imnodes.NET", "imnodes.NET\imnodes.NET.csproj", "{2786BF48-AE57-44EE-9E28-401AE88E972D}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImNodes.NET", "ImNodes.NET\ImNodes.NET.csproj", "{2786BF48-AE57-44EE-9E28-401AE88E972D}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImGuizmo.NET", "ImGuizmo.NET\ImGuizmo.NET.csproj", "{760568AB-DCC9-443E-ADFA-2B06B2E2B421}"
 EndProject