bugfix: fix _rxr_onPageDestroy js method spelling error
bugfix: fix _rxr_onPageDestroy js method spelling error

douban/rexxar-ios,bigyelow/rexxar-ios,daydayfree/rexxar-ios,douban/rexxar-ios,daydayfree/rexxar-ios,douban/rexxar-ios,daydayfree/rexxar-ios,bigyelow/rexxar-ios,bigyelow/rexxar-ios