Import credit cards with CSV importer

[aga]

I don't now seem to be able to import credit card details.  The account 
selector offers only checking accounts.  I'm on a fairly recent master - 
2e16908134e1246e85d15afdedd3baf397692b06.

I've been able to do this every month previously.  It works correctly on 
f0c8b6fdb2b018b3b0f043f293672fe049b3593b

Allan