iphonebackup: Add _new to Info.plist factory helper name
iphonebackup: Add _new to Info.plist factory helper name

This better reflects that a newly allocated plist_t is returned.

libimobiledevice/libimobiledevice,patweb/libimobiledevice,libimobiledevice-win32/libimobiledevice,libimobiledevice-win32/libimobiledevice,upbit/libimobiledevice,libimobiledevice-win32/libimobiledevice,kalev/libimobiledevice,upbit/libimobiledevice,libimobiledevice-win32/libimobiledevice,Tatsh/libimobiledevice,kalev/libimobiledevice,upbit/libimobiledevice,libimobiledevice/libimobiledevice,Tatsh/libimobiledevice,Tatsh/libimobiledevice,kalev/libimobiledevice,patweb/libimobiledevice,Tatsh/libimobiledevice,patweb/libimobiledevice