backoffice buildRecur script loads processor incorrectly (sometimes)

I actually hit this on 4.7 - but the code is the same in 4.6 I believe. If you have a non-recur processor with an ID of 1 and a recur processor with an ID of 13 then it treats the non-recur processor as recurring (e.g when doing a back-office credit card submission you get recurring options) because it searches the string of recurring processors eg '6,7,13' and finds the number 1 in it.

Code is in CRM/Contribute/Form/AdditionalInfo/Payment.tpl