6273905 gcc and cmd/svc don't get along (fix lint)

[nore...@opensolaris.org]

Author: hg115875
Repository: /hg/onnv/onnv-gate
Revision: 9dca9a8fb646f0ab250c4f5e4a92df355ba2690d
Log message:
6273905 gcc and cmd/svc don't get along (fix lint)

Files:
        update: usr/src/cmd/svc/svccfg/svccfg_libscf.c