url_get module returns dest

The url_get module now includes the destination in the returned JSON.

library/get_url

@@ -148,7 +148,7 @@ def main():
         if os.path.isdir(dest):
             module.fail_json(msg="non-thirsty mode needs a filename for a destination, not a directory")
         if os.path.exists(dest):
-            module.exit_json(msg="file already exists", changed=False)
+            module.exit_json(msg="file already exists", dest=dest, url=url, changed=False)
 
     # download to tmpsrc
     tmpsrc, info = url_get(module, url, dest)