Specify the full path to the md5(1) binary so the script will

still work even if it's not in the shell's path.

PR: conf/122215
MFC after: 1 week

etc/rc.d/hostid

@@ -45,7 +45,7 @@ hostid_set()
 {
 	uuid=$1
 	# Generate hostid based on hostuuid - take first four bytes from md5(uuid).
-	id=`echo -n $uuid | md5`
+	id=`echo -n $uuid | /sbin/md5`
 	id="0x${id%????????????????????????}"
 	# Set both kern.hostuuid and kern.hostid.
 	echo "Setting hostuuid: ${uuid}."