How to become someone's sponsor when they are already sponsored

[Jim Meyering]

Jim Meyering wrote:
> Richard W.M. Jones wrote:
>> Jim Meyering (FAS username: meyering) was sponsored by Warren Togami.
>> It seems that Jim can no longer set the fedora-review flag on packages
>> that he's reviewed, and this may be connected with Warren leaving Red
>> Hat for new pastures yesterday.  In any case I've agreed with Jim that
>> I'll become his sponsor.
>>
>> *However* there is a problem ...  I can see no way to change the
>> sponsor of an existing packager in FAS.
>>
>> How do we go about this?
>
> Thanks Rich,
>
> Background details: this arose because I have reviewed and just
> tried to set "fedora-review = +" on this RR:
>
>     http://bugzilla.redhat.com/570627
>
> and now all I get is the big red failure notice:
>
>     You tried to grant fedora-review. Only a user with the required
>     permissions may make this change.

FYI, I set it to fedora-review = "?"
last week with no trouble.