backout 6199470: breaks sparc build

[danek.duv...@sun.com]

Author: dduvall
Repository: /hg/onnv/onnv-gate
Revision: dc50c316ef4975e8076f58a726701e7eeef188a3
Log message:
backout 6199470: breaks sparc build

Files:
        update: usr/src/cmd/format/menu_fdisk.c