libsodium: bump to version 1.0.8

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libsodium/libsodium.hash

@@ -1,2 +1,2 @@
 # Locally calculated after checking pgp signature
-sha256	940d03ea7d2caa7940e24564bf6d9f66d6edd1df1e0111ff8e3655f3b864fb59	libsodium-1.0.6.tar.gz
+sha256	c0f191d2527852641e0a996b7b106d2e04cbc76ea50731b2d0babd3409301926	libsodium-1.0.8.tar.gz

package/libsodium/libsodium.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBSODIUM_VERSION = 1.0.6
+LIBSODIUM_VERSION = 1.0.8
 LIBSODIUM_SITE = https://download.libsodium.org/libsodium/releases
 LIBSODIUM_LICENSE = ISC
 LIBSODIUM_LICENSE_FILES = LICENSE