Adjust verify-bintrya-upload script for Flipper
Adjust verify-bintrya-upload script for Flipper

Summary:
Umm, this is embarrassing. I thouhgt I did this when I put
up the first diff? Apparently I didn't. Well, I just ran
this for `0.14.2` and now it actually does what it
says on the tin.

Reviewed By: danielbuechele

Differential Revision: D13861574

fbshipit-source-id: dd7ae30a97e6da036d3a30b43de941e82088062c

facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper