package/libnss: bump version to 3.64

Release Notes:
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.64_release_notes

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libnss/libnss.hash

@@ -1,4 +1,4 @@
-# From https://ftp.mozilla.org/pub/security/nss/releases/NSS_3_63_RTM/src/SHA256SUMS
-sha256  182d2fef629102ae9423aabf2c192242b565cf5098e82c5a26cf70c5e4ea2221  nss-3.63.tar.gz
+# From https://ftp.mozilla.org/pub/security/nss/releases/NSS_3_64_RTM/src/SHA256SUMS
+sha256  d3175427172e9c3a6f1ebc74452cb791590f28191c6a1a443dbc0d87c9df1126  nss-3.64.tar.gz
 # Locally calculated
 sha256  a20c1a32d1f8102432360b42e932869f7c11c7cdbacf9cac554c422132af47f4  nss/COPYING

package/libnss/libnss.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBNSS_VERSION = 3.63
+LIBNSS_VERSION = 3.64
 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