Add a workaround for a bug in dotnet tool install and the scaffolding command line tool (#4580)

seancpeters · natemcmaster · commit 21488b2b0443 · 2018-12-11T15:53:10.000-08:00
diff --git a/modules/Scaffolding b/modules/Scaffolding
@@ -1 +1 @@
-Subproject commit 446caddc44066c23e67873edcc7489a1310ffd05
+Subproject commit a8a3c4d6bcef48a3dd464d03f629a0a18dbf3110
