nss: update to 3.51

Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>

libs/nss/Makefile

@@ -7,14 +7,14 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=nss
-PKG_VERSION:=3.50
+PKG_VERSION:=3.51
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:= \
     https://download.cdn.mozilla.net/pub/security/$(PKG_NAME)/releases/NSS_$(subst .,_,$(PKG_VERSION))_RTM/src \
     https://archive.mozilla.org/pub/security/$(PKG_NAME)/releases/NSS_$(subst .,_,$(PKG_VERSION))_RTM/src
-PKG_HASH:=185df319775243f5f5daa9d49b7f9cc5f2b389435be3247c3376579bee063ba7
+PKG_HASH:=75348b3b3229362486c57a880db917da1f96ef4eb639dc9cc2ff17d72268459c
 
 PKG_MAINTAINER:=Lucian Cristian <lucian.cristian@gmail.com>
 PKG_LICENCE:=MPL-2.0