netfilter: update netfilter git URL

Netfilter git trees are moving to a directory shared by Pablo and
myself, update git URLs.

Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/MAINTAINERS b/MAINTAINERS
index 1d2e79d..a6669b2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4386,7 +4386,8 @@
 L:	coreteam@netfilter.org
 W:	http://www.netfilter.org/
 W:	http://www.iptables.org/
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-2.6.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next-2.6.git
 S:	Supported
 F:	include/linux/netfilter*
 F:	include/linux/netfilter/