Indent the parameter list more if the body is a wrapped "=>". Fix #144.

test/regression/144.unit

Index: test/regression/144.unit
diff --git a/test/regression/144.unit b/test/regression/144.unit
new file mode 100644
index 0000000000000000000000000000000000000000..8880048f866678881ebeeb5ec6c7313e7f6b23cf
--- /dev/null
+++ b/test/regression/144.unit
@@ -0,0 +1,26 @@
+>>>
+class Selector {
+  factory Selector.call(String name,
+                        LibraryElement library,
+                        int arity,
+                        [List<String> namedArguments])
+      => new Selector(SelectorKind.CALL, name, library, arity, namedArguments);
+}
+<<<
+class Selector {
+  factory Selector.call(String name, LibraryElement library, int arity,
+          [List<String> namedArguments]) =>
+      new Selector(SelectorKind.CALL, name, library, arity, namedArguments);
+}
+>>> a knock-on issue caused by the initial fix for the above
+class Foo {
+  get getter => "result";
+
+    // Comment.
+}
+<<<
+class Foo {
+  get getter => "result";
+
+  // Comment.
+}