Change to includes. No more ../h

Change to includes.  No more ../h

SCCS-vsn: sys/vax/vax/Locore.c 6.3
SCCS-vsn: sys/vax/vax/autoconf.c 6.7
SCCS-vsn: sys/vax/vax/clock.c 6.2
SCCS-vsn: sys/vax/vax/conf.c 6.3
SCCS-vsn: sys/vax/vax/cons.c 6.2
SCCS-vsn: sys/vax/vax/cpudata.c 6.2
SCCS-vsn: sys/vax/vax/dkbad.c 6.2
SCCS-vsn: sys/vax/vax/flp.c 6.2
SCCS-vsn: sys/vax/vax/genassym.c 6.4
SCCS-vsn: sys/vax/vax/in_cksum.c 6.2
SCCS-vsn: sys/vax/vax/machdep.c 6.8
SCCS-vsn: sys/vax/vax/mem.c 6.2
SCCS-vsn: sys/deprecated/netpup/pup_cksum.c 6.2
SCCS-vsn: sys/vax/vax/swapgeneric.c 6.2
SCCS-vsn: sys/vax/vax/sys_machdep.c 6.3
SCCS-vsn: sys/vax/vax/trap.c 6.4
SCCS-vsn: sys/vax/vax/tu.c 6.4
SCCS-vsn: sys/vax/vax/vm_machdep.c 6.3