check: use sha256 checksum

Signed-off-by: Eduardo Abinader <eduardoabinader@gmail.com>

libs/check/Makefile

@@ -13,7 +13,7 @@ PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/libcheck/check/releases/download/$(PKG_VERSION)
-PKG_MD5SUM:=9b90522b31f5628c2e0f55dda348e558
+PKG_HASH:=24f7a48aae6b74755bcbe964ce8bc7240f6ced2141f8d9cf480bc3b3de0d5616
 
 PKG_LICENSE:=LGPL-2.1+
 PKG_LICENSE_FILES:=COPYING.LESSER