Merge pull request #3292 from dotty-staging/repl-quit

Prints new line when exiting the REPL

Author: felixmulder

compiler/src/dotty/tools/repl/ReplDriver.scala

@@ -132,7 +132,10 @@ class ReplDriver(settings: Array[String],
   @tailrec final def runUntilQuit(state: State = initState): State = {
     val res = readLine()(state)
 
-    if (res == Quit) state
+    if (res == Quit) {
+      out.println()
+      state
+    }
     else {
       // readLine potentially destroys the run, so a new one is needed for the
       // rest of the interpretation: