Fix the last and most important bit of the test case to test the same

binary as the rest of it.

Add MD5 check that the md(4) device gets set up correctly.

sbin/gbde/test.sh

@@ -47,9 +47,15 @@ if [ -f image.uu ] ; then
 else
 	uudecode -p ${1}/image.uu | bzcat > $D
 fi
-gbde attach $D -p foo
+
+if [ `md5 < $D` != "a4066a739338d451b919e63f9ee4a12c" ] ; then
+	echo "Failed to set up md(4) device correctly"
+	exit 2
+fi
+
+./gbde attach $D -p foo
 fsck_ffs ${D}.bde
-gbde detach $D
+./gbde detach $D
 mdconfig -d -u $MD