Update EBPhotoPagesController.m
Update EBPhotoPagesController.m

Fixed bug at line 277, changed mutableUpperItems to mutableLowerItems.
keyboardsamurai/EBPhotoPages,rtsbtx/EBPhotoPages,jiamaozheng/EBPhotoPages,12207480/EBPhotoPages,3ph/EBPhotoPages,snakecharmer/EBPhotoPages,algoaccess/EBPhotoPages,perwyl/EBPhotoPages,Micro-Gigantic-Labs/EBPhotoPages,EddyBorja/EBPhotoPages,dieface/EBPhotoPages,KenLau/EBPhotoPages,kostassite/EBPhotoPages,msdgwzhy6/EBPhotoPages