idevicebackup2: updated for compatibility with iOS6
idevicebackup2: updated for compatibility with iOS6

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