reorganize ssexec_XXX function family name

package/deps.mak

src/66/66.c

src/include/66/ssexec.h

src/lib66/exec/deps-lib/deps

src/lib66/exec/ssexec_help.c

src/lib66/exec/ssexec_service_resolve.c

src/lib66/exec/ssexec_service_signal.c

src/lib66/exec/ssexec_service_state.c

src/lib66/exec/ssexec_service_status.c

src/lib66/exec/ssexec_service_wrapper.c

src/lib66/exec/ssexec_tree_admin.c

src/lib66/exec/ssexec_tree_resolve.c

src/lib66/exec/ssexec_tree_signal.c

src/lib66/exec/ssexec_tree_status.c

src/lib66/exec/ssexec_tree_wrapper.c

src/lib66/sanitize/sanitize_system.c

src/lib66/svc/svc_send.c

src/lib66/tree/tree_sethome.c