Selection parsing fix.

pkg/analyzer/bin/formatter.dart

Index: pkg/analyzer/bin/formatter.dart
===================================================================
--- pkg/analyzer/bin/formatter.dart	(revision 32449)
+++ pkg/analyzer/bin/formatter.dart	(working copy)
@@ -100,9 +100,9 @@
         return new Selection(offset, length);
       }
     }
-    throw new FormatterException('Selections are specified as integer pairs '
-                                 '(e.g., "(offset, length)".');
   }
+  throw new FormatterException('Selections are specified as integer pairs '
+                               '(e.g., "(offset, length)".');
 }
 
 int _toInt(str) => int.parse(str, onError: (_) => null);