nbd: security bump to version 3.11

Fixes:
CVE-2015-0847 nbd-server denial of service due to unsafe signal handlers

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/nbd/nbd.hash

@@ -1,2 +1,3 @@
-# Locally computed:
-sha256  48a223770eb136603dc266587d9a37ed5024132e09e2c8484096d4c46cfed3e2  nbd-3.8.tar.xz
+# From http://sourceforge.net/projects/nbd/files/nbd/3.11/
+md5	73d11644a28b9f335292cdb3bdc4b74b	nbd-3.11.tar.xz
+sha1	a9823a656ef3411c7a14f3c1ae843d92a9141476	nbd-3.11.tar.xz

package/nbd/nbd.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-NBD_VERSION = 3.8
+NBD_VERSION = 3.11
 NBD_SOURCE = nbd-$(NBD_VERSION).tar.xz
 NBD_SITE = http://downloads.sourceforge.net/project/nbd/nbd/$(NBD_VERSION)
 NBD_CONF_OPTS = --enable-lfs