- Add new NTP servers provided by NIC.br (http://www.ntp.br)
- Remove nonfunctional servers

PR:		119884
Approved by:	
MFC after:	3 days

Index: menus.c
===================================================================
RCS file: /home/ncvs/src/usr.sbin/sysinstall/menus.c,v
retrieving revision 1.429
diff -u -r1.429 menus.c
--- menus.c	1 Jan 2008 03:59:16 -0000	1.429
+++ menus.c	22 Jan 2008 16:04:59 -0000
@@ -1407,16 +1407,19 @@
       { "Belgium #2",		"ntp2.belbone.be",
 	dmenuVarsCheck, dmenuSetVariables, NULL,
 	"ntpdate_enable=YES,ntpdate_flags=ntp2.belbone.be" },
-      { "Brazil",		"ntp.cais.rnp.br",
+      { "Brazil",		"a.ntp.br",
 	dmenuVarsCheck, dmenuSetVariables, NULL,
-	"ntpdate_enable=YES,ntpdate_flags=ntp.cais.rnp.br" },
-      { "Brazil #2",		"ntp.pop-df.rnp.br",
+	"ntpdate_enable=YES,ntpdate_flags=a.ntp.br" },
+      { "Brazil #2",		"b.ntp.br",
+	dmenuVarsCheck, dmenuSetVariables, NULL,
+	"ntpdate_enable=YES,ntpdate_flags=b.ntp.br" },
+      { "Brazil #3",		"c.ntp.br",
 	dmenuVarsCheck, dmenuSetVariables, NULL,
-	"ntpdate_enable=YES,ntpdate_flags=ntp.pop-df.rnp.br" },
-      { "Brazil #3",		"ntp.ufes.br",
+	"ntpdate_enable=YES,ntpdate_flags=c.ntp.br" },
+      { "Brazil #4",		"ntp.cais.rnp.br",
 	dmenuVarsCheck, dmenuSetVariables, NULL,
-	"ntpdate_enable=YES,ntpdate_flags=ntp.ufes.br" },
-      { "Brazil #4",		"ntp1.pucpr.br",
+	"ntpdate_enable=YES,ntpdate_flags=ntp.cais.rnp.br" },
+      { "Brazil #5",		"ntp1.pucpr.br",
 	dmenuVarsCheck, dmenuSetVariables, NULL,
 	"ntpdate_enable=YES,ntpdate_flags=ntp1.pucpr.br" },
       { "Canada",		"ca.pool.ntp.org",