fix formatting around examples

Reference: /n/sources/patch/applied/ndb-8-format
Date: Fri Mar 31 10:06:16 CES 2006
Signed-off-by: geoff@collyer.net

--- /sys/man/8/ndb	Fri Mar 31 10:04:46 2006
+++ /sys/man/8/ndb	Fri Mar 31 10:04:38 2006
@@ -227,6 +227,7 @@
 	dns=ns2.cs.bell-labs.com
 dom=ns1.cs.bell-labs.com ip=135.104.1.11
 dom=ns2.cs.bell-labs.com ip=135.104.1.12
+.EE
 .PP
 The server for a domain is indicated by a database entry containing
 both a
@@ -244,7 +245,6 @@
 dom=A.ROOT-SERVERS.NET ip=198.41.0.4
 dom=B.ROOT-SERVERS.NET ip=128.9.0.107
 dom=C.ROOT-SERVERS.NET ip=192.33.4.12
-
 .EE
 The last three lines provide a mapping for the
 server names to their ip addresses.  This is only