minor bug and typo fix

src/lib66/exec/ssexec_status.c

src/lib66/exec/ssexec_tree_admin.c

src/lib66/exec/ssexec_tree_signal.c

src/lib66/exec/ssexec_tree_status.c

src/lib66/graph/graph_build_service.c

src/lib66/service/service_graph_g.c

src/lib66/svc/deps-lib/deps

src/lib66/svc/svc_launch.c