Add preprocessor check to UIPopoverController+Spec.m to ensure ARC is enabled
Add preprocessor check to UIPopoverController+Spec.m to ensure ARC is enabled

jfuchs/PivotalCoreKit,joemasilotti/PivotalCoreKit,gudatcomputers/PivotalCoreKit,joemasilotti/PivotalCoreKit,briancroom/PivotalCoreKit,pivotaltracker/PivotalCoreKit,mjstallard/PivotalCoreKit,gudatcomputers/PivotalCoreKit,pivotal/PivotalCoreKit,jfuchs/PivotalCoreKit,idoru/PivotalCoreKit,idoru/PivotalCoreKit