Use a local disktab instead of requiring "floppy288" to be in

"/etc/disktab" as suggested by Simon Burge.

regress/sys/fs/ffs/Makefile

@@ -104,7 +104,7 @@ tmpfs:
 	    "${TMPIM}, ${EN} byte order."
 	dd if=/dev/zero of=${TMPIM} count=5860
 	vnconfig -v ${BVND}${RPART} ${TMPIM}
-	disklabel -rw ${VND} floppy288
+	disklabel -f ${SRCDIR}/disktab -rw ${VND} floppy288
 	newfs -B ${EN} -i 500 -b 8192 -f 1024 ${CVND}${MPART}
 	mkdir ${TMPMP}
 	mount -o async ${BVND}${MPART} ${TMPMP}

regress/sys/fs/ffs/disktab

@@ -0,0 +1,7 @@
+#	$NetBSD: disktab,v 1.1 2002/04/09 13:55:34 tron Exp $
+
+floppy288|2.88MB 3.5in Extra High Density Floppy:\
+	:ty=floppy:se#512:nt#2:rm#300:ns#36:nc#80:\
+	:pa#5760:oa#0:ba#4096:fa#512:ta=4.2BSD:\
+	:pb#5760:ob#0:\
+	:pc#5760:oc#0: