6339133 mkfs_pcfs core dumps when the requested size is too small

[wyllys.ingers...@sun.com]

Author: wyllys
Repository: /hg/onnv/onnv-gate
Revision: 04f24522d108176753de59ac8dbada8fb61cbc55
Log message:
6339133 mkfs_pcfs core dumps when the requested size is too small

Files:
        update: usr/src/cmd/fs.d/pcfs/mkfs/mkfs.c