Run chown/chgrp iff the preceding mknod call worked; thus if if there's

actually something to chown/chgrp.
ok todd@

src/etc/MAKEDEV.mi

@@ -1,7 +1,7 @@
 define(COMM,`#')dnl
 include(MAKEDEV.sub)dnl
 dnl
-vers(a, {-$OpenBSD: MAKEDEV.mi,v 1.80 2011/04/18 16:52:10 thib Exp $-})dnl
+vers(a, {-$OpenBSD: MAKEDEV.mi,v 1.81 2012/11/05 08:07:09 jasper Exp $-})dnl
 dnl
 divert(1)dnl
 {-#-}
@@ -181,19 +181,19 @@ M() {
 	mkl ${5-666} {-$-}1 {-$-}2 {-$-}3 {-$-}4
 	G={-$-}{6:-wheel}
 	[ "{-$-}7" ] && {
-		MKlist[{-$-}{#MKlist[*]}]=";chown {-$-}7:{-$-}G {-$-}1"
+		MKlist[{-$-}{#MKlist[*]}]="&& chown {-$-}7:{-$-}G {-$-}1"
 	} || {
 		case $G in
 		wheel)
-			[ {-$-}{#whlist[*]} = 0 ] && whlist[0]=";chgrp wheel"
+			[ {-$-}{#whlist[*]} = 0 ] && whlist[0]="&& chgrp wheel"
 			whlist[{-$-}{#whlist[*]}]="$1"
 		;;
 		operator)
-			[ {-$-}{#oplist[*]} = 0 ] && oplist[0]=";chgrp operator"
+			[ {-$-}{#oplist[*]} = 0 ] && oplist[0]="&& chgrp operator"
 			oplist[{-$-}{#oplist[*]}]="$1"
 		;;
 		*)
-			MKlist[{-$-}{#MKlist[*]}]=";chgrp $G $1";
+			MKlist[{-$-}{#MKlist[*]}]="&& chgrp $G $1";
 		esac
 	}
 	return 0