package/libnss: security bump to version 3.47.1

Fixes the following security issues:
CVE-2019-11745: EncryptUpdate should use maxout, not block size

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit f49de1c4d35a12364f00b931edccf831c51ff4c7)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libnss/libnss.hash

@@ -1,4 +1,4 @@
 # From https://ftp.mozilla.org/pub/security/nss/releases/NSS_3_46_1_RTM/src/SHA256SUMS
-sha256	6cd0c4438b616bdacc0b5f25ff1506b0d07ee97ea6c95d514c5487200a155fa7  nss-3.47.tar.gz
+sha256	1ae3d1cb1de345b258788f2ef6b10a460068034c3fd64f42427a183d8342a6fb  nss-3.47.1.tar.gz
 # Locally calculated
 sha256	a20c1a32d1f8102432360b42e932869f7c11c7cdbacf9cac554c422132af47f4  nss/COPYING

package/libnss/libnss.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBNSS_VERSION = 3.47
+LIBNSS_VERSION = 3.47.1
 LIBNSS_SOURCE = nss-$(LIBNSS_VERSION).tar.gz
 LIBNSS_SITE = https://ftp.mozilla.org/pub/mozilla.org/security/nss/releases/NSS_$(subst .,_,$(LIBNSS_VERSION))_RTM/src
 LIBNSS_DISTDIR = dist