make lpacket unsigned in canon_usb_long_dialogue() since this is what canon_usb_dialogue() returns and (almost) what le32atoh() expects.
make lpacket unsigned in canon_usb_long_dialogue() since this is what
canon_usb_dialogue() returns and (almost) what le32atoh() expects.


git-svn-id: 40dd595c6684d839db675001a64203a1457e7319@4407 67ed7778-7388-44ab-90cf-0a291f65f57c

gphoto/libgphoto2.OLDMIGRATION,gphoto/libgphoto2.OLDMIGRATION,gphoto/libgphoto2.OLDMIGRATION,gphoto/libgphoto2.OLDMIGRATION