Well, no - Pope Francis did not say that! Perhaps people like Michael Savage should do a bit more research before referring to Pope Francis in derogatory terms.
http://www.today.com/pets/pope-francis-says-all-dogs-do-go-heaven-1D80365698 - Story corrected.
As of this posting, here are some sites which still have it wrong:
Now, while Pope Francis did NOT say that - Pope Paul VI did. In the NY Times retraction/correction of their misattribution they said:
Those remarks were once made by Pope Paul VI to a distraught child, and were cited in a Corriere della Sera articleWhat Pope Francis ACTUALLY said was:
The Holy Scripture teaches us that the fulfillment of this wonderful design also affects everything around us.I hope we've cleared the air a bit on this now.