Merge pull request scala/scala#10429 from som-snytt/tweak/iterator-test

IteratorTest mustn't use spent iterator after terminal op

Author: lrytz

library/src/scala/collection/immutable/Range.scala

@@ -667,6 +667,6 @@ private class RangeIterator(
         _hasNext = longPos >= lastElement
       }
     }
-      this
+    this
   }
 }