[gobject-introspection] docwriter/gjs: restore documentation for return values

[Giovanni Campagna <gcampagna src gnome org>]

commit 9395abd2b1b497455a3cf8c06d8b7b295bffc233
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Sun Mar 2 18:16:26 2014 +0100

    docwriter/gjs: restore documentation for return values

 giscanner/docwriter.py |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/giscanner/docwriter.py b/giscanner/docwriter.py
index db27105..7852289 100644
--- a/giscanner/docwriter.py
+++ b/giscanner/docwriter.py
@@ -780,8 +780,10 @@ class DocFormatterGjs(DocFormatterIntrospectableBase):
             if node.retval.type.target_fundamental == 'gboolean':
                 name = 'ok'
 
-            params.append(ast.Parameter(name, node.retval.type,
-                                        ast.PARAM_DIRECTION_OUT))
+            ret_param = ast.Parameter(name, node.retval.type,
+                                      ast.PARAM_DIRECTION_OUT)
+            ret_param.doc = node.retval.doc
+            params.append(ret_param)
         for param in node.parameters:
             if param not in skip:
                 params.append(param)