[arch-dev-public] [signoff] vi-050325-3 (1 for each arch)

Please signoff 1 for each arch. This is just packaging cleanup, and should have no subtantive impact on the functioning of vi. Mostly just looking for an extra sanity check here, nothing specific to test. See FS#18215 for details. Highlights: * removed obsolete gcc bug workaround portion of du.patch, renamed to navkeys.patch * used make options rather than manual means of configuration wherever possible - P