Improve swift syntax
Improve swift syntax

hejunbinlan/ImagePickerSheetController,colemancda/ImagePickerSheetController,jabez1314/ImagePickerSheetController,alexsanderkhitev/ImagePickerSheetController,hulu001/ImagePickerSheetController,acavanaghww/ImagePickerSheetController,mohsinalimat/ImagePickerSheet,machelix/ImagePickerSheetController,jabez1314/ImagePickerSheetController,mohsinalimat/ImagePickerSheet,bangslosan/ImagePickerSheetController,machelix/ImagePickerSheetController,hulu001/ImagePickerSheetController,colemancda/ImagePickerSheetController,jiaopen/ImagePickerSheetController,lbrndnr/ImagePickerSheetController,bangslosan/ImagePickerSheetController,bangslosan/ImagePickerSheetController,hejunbinlan/ImagePickerSheetController,colemancda/ImagePickerSheetController,hejunbinlan/ImagePickerSheetController,lbrndnr/ImagePickerSheetController,liangxianzhe/ImagePickerSheetController,jabez1314/ImagePickerSheetController,mohsinalimat/ImagePickerSheet,liangxianzhe/ImagePickerSheetController,larcus94/ImagePickerSheetController,alexsanderkhitev/ImagePickerSheetController,machelix/ImagePickerSheetController,jiaopen/ImagePickerSheetController,acavanaghww/ImagePickerSheetController,larcus94/ImagePickerSheetController