squid: security bump to version 3.5.23

Fixes:
CVE-2016-10002: http://www.squid-cache.org/Advisories/SQUID-2016_11.txt
CVE-2016-10003: http://www.squid-cache.org/Advisories/SQUID-2016_10.txt

[Peter: add CVE references]
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/squid/squid.hash

@@ -1,3 +1,3 @@
-# From http://www.squid-cache.org/Versions/v3/3.5/squid-3.5.22.tar.xz.asc
-md5 afb82d2748c06c95815c171463b4aa14  squid-3.5.22.tar.xz
-sha1 73e9199dd9d2a7f107f78d03454830713a4a571d  squid-3.5.22.tar.xz
+# From http://www.squid-cache.org/Versions/v3/3.5/squid-3.5.23.tar.xz.asc
+md5 9b68f689e3d9578932b9c6a4041037c2  squid-3.5.23.tar.xz
+sha1 33e43869d5eeb0fdfd1d625e6d6edee0617b2b22  squid-3.5.23.tar.xz

package/squid/squid.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 SQUID_VERSION_MAJOR = 3.5
-SQUID_VERSION = $(SQUID_VERSION_MAJOR).22
+SQUID_VERSION = $(SQUID_VERSION_MAJOR).23
 SQUID_SOURCE = squid-$(SQUID_VERSION).tar.xz
 SQUID_SITE = http://www.squid-cache.org/Versions/v3/$(SQUID_VERSION_MAJOR)
 SQUID_LICENSE = GPLv2+