Cause ct to be escaped in nroff output; spotted by jmc.

No regen necessary except for hp300 MAKEDEV.8

src/etc/MAKEDEV.common

@@ -1,4 +1,4 @@
-vers(a, {-$OpenBSD: MAKEDEV.common,v 1.4 2004/03/12 04:54:04 deraadt Exp $-})dnl
+vers(a, {-$OpenBSD: MAKEDEV.common,v 1.5 2004/03/12 18:25:15 miod Exp $-})dnl
 divert(1)dnl
 dnl
 dnl Common device definitions.
@@ -204,7 +204,6 @@ _mkdev(st, st*, {-n=Mult($U, 16)
 		M ${pre}rst$U	c major_st_c $n 660 operator
 		n=Add($n, 1)
 	done-})dnl
-__devitem(ct, ct*, HP300 HP-IB cartridge tape drives)dnl
 __devitem(mt, mt*, (Magnetic) 9-track reel tape drives)dnl
 __devitem(ht, ht*, MASSBUS TM03 and TU?? devices)dnl
 __devitem(tm, tm*, UNIBUS TM11 and TE10 emulations (e.g. Emulex TC-11))dnl

src/etc/etc.hp300/MAKEDEV.md

@@ -1,5 +1,5 @@
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.19 2004/02/20 19:13:08 miod Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.20 2004/03/12 18:25:18 miod Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2004 Todd T. Fries <todd@OpenBSD.org>
@@ -18,6 +18,7 @@ dnl OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 dnl
 dnl *** hp300 specific device scripts/descriptions
 dnl
+__devitem(ct, ct*, HP300 HP-IB cartridge tape drives,{-\&ct-})dnl
 __devitem(hd, {-hd*-}, HP300 HP-IB disks)dnl
 _mkdev(st_hp300, ct*|mt*|st*,
 {-case $i in