[source] usign: fix mirror hash

[LEDE Commits]

blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/4f874423fd711e58aa43110918c923016615f22b

commit 4f874423fd711e58aa43110918c923016615f22b
Author: John Crispin <john at phrozen.org>
AuthorDate: Tue Dec 20 13:42:38 2016 +0100

    usign: fix mirror hash
    
    Signed-off-by: John Crispin <john at phrozen.org>
---
 package/system/usign/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/system/usign/Makefile b/package/system/usign/Makefile
index 75b9262..7425e6a 100644
--- a/package/system/usign/Makefile
+++ b/package/system/usign/Makefile
@@ -9,7 +9,7 @@ PKG_SOURCE_URL=$(LEDE_GIT)/project/usign.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
 PKG_SOURCE_VERSION:=ef6419142a3b0fbcddcccf536e3c1880302c6f89
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.xz
-PKG_MIRROR_HASH:=170f85fb49ec3e698fbeb57e9429de3b561c22a23106fc5484ba83010178550c
+PKG_MIRROR_HASH:=8539292a3e8047bd7e94d4a5efc5c1228e100c7e6dfdc79670e869fb4aec3b70
 CMAKE_INSTALL:=1
 PKG_CHECK_FORMAT_SECURITY:=1
 PKG_USE_MIPS16:=0