Fix repltest

Author: odersky

compiler/test-resources/repl/i6474

@@ -1,8 +1,8 @@
 scala> object Foo1 { type T[+A] = (A, Int) }
 // defined object Foo1
-scala> object Foo2 { type T[+A] = [+B] => (A, B) }
+scala> object Foo2 { type T[+A] = [+B] =>> (A, B) }
 // defined object Foo2
-scala> object Foo3 { type T[+A] = [+B] => [C] => (A, B) }
+scala> object Foo3 { type T[+A] = [+B] =>> [C] =>> (A, B) }
 // defined object Foo3
 scala> ((1, 2): Foo1.T[Int]): Foo1.T[Any]
 val res0: (Any, Int) = (1,2)
@@ -14,7 +14,7 @@ scala> (1, 2): Foo3.T[Int][Int]
   |         Missing type parameter for Foo3.T[Int][Int]
 scala> ((1, 2): Foo3.T[Int][Int][Int]): Foo3.T[Any][Int][Int]
 val res2: (Any, Int) = (1,2)
-scala> object Foo3 { type T[A] = [B] => [C] => (A, B) }
+scala> object Foo3 { type T[A] = [B] =>> [C] =>> (A, B) }
 // defined object Foo3
 scala> ((1, 2): Foo3.T[Int][Int][Int])
 val res3: (Int, Int) = (1,2)