6481326 lx zone install sometimes hangs (fix lint)

[nore...@opensolaris.org]

Author: nn35248
Repository: /hg/onnv/onnv-gate
Revision: e5f516fa5cc5a11e397c89c192e2bd4c8197656b
Log message:
6481326 lx zone install sometimes hangs (fix lint)

Files:
        update: usr/src/lib/brand/lx/lx_brand/common/fork.c