[openwrt/openwrt] tools/libressl: update to 2.6.4

[LEDE Commits]

blogic pushed a commit to openwrt/openwrt.git, branch master:
https://git.lede-project.org/b4a46f0764e043e7d5250ee0e00a74398cf41750

commit b4a46f0764e043e7d5250ee0e00a74398cf41750
Author: Hannu Nyman <hannu.nyman at iki.fi>
AuthorDate: Fri Jan 5 23:22:44 2018 +0200

    tools/libressl: update to 2.6.4
    
    Signed-off-by: Hannu Nyman <hannu.nyman at iki.fi>
---
 tools/libressl/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/libressl/Makefile b/tools/libressl/Makefile
index 5679320..a068a7c 100644
--- a/tools/libressl/Makefile
+++ b/tools/libressl/Makefile
@@ -8,8 +8,8 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libressl
-PKG_VERSION:=2.5.4
-PKG_HASH:=107a5b522fbb8318d4c3be668075e5e607296f0a9255d71674caa94571336efa
+PKG_VERSION:=2.6.4
+PKG_HASH:=638a20c2f9e99ee283a841cd787ab4d846d1880e180c4e96904fc327d419d11f
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz