Fix printing of DictObj

a6fbcbaec7 introduces a bug in
printing of DictObj. It brokes "weboob-config list",
"weboob-config modules", etc.

weboob/tools/application/formatters/iformatter.py

@@ -150,7 +150,7 @@ class IFormatter(object):
             formatted = self.format_obj(obj, alias)
         else:
             try:
-                return OrderedDict(obj)
+                obj = OrderedDict(obj)
             except ValueError:
                 raise TypeError('Please give a CapBaseObject or a dict')