6445654 race in fstyp build

[artem.kachitch...@sun.com]

Author: artem
Repository: /hg/onnv/onnv-gate
Revision: 85996164d80e86d2faf5490ba04716efd0729afa
Log message:
6445654 race in fstyp build

Files:
        update: usr/src/cmd/Makefile