Ben Alpert f8b36491d7 [react-native] Fix spelling of "cancelled"
Summary:
Apparently British spelling is "cancelled", American is "canceled"? Picking "cancelled" for consistency with UIKit.

@public

Test Plan: landcastle
2015-05-13 13:24:36 -07:00
..
2015-05-01 06:36:49 -08:00