[PKT_SCHED]: Spelling fixes

	u64	cl_vtoff;		/* inter-period cumulative vt offset */

	u64	cl_cvtmax;		/* max child's vt in the last period */

	u64	cl_cvtoff;		/* cumulative cvtmax of all periods */

	u64	cl_pcvtoff;		/* parent's cvtoff at initalization

	u64	cl_pcvtoff;		/* parent's cvtoff at initialization

					   time */

	struct internal_sc cl_rsc;	/* internal real-time service curve */