package/cctz: bump to version 2.4

https://github.com/google/cctz/releases/tag/v2.4

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>

package/cctz/cctz.hash

@@ -1,3 +1,3 @@
 # locally computed
-sha256  8615b20d4e33e02a271c3b93a3b208e3d7d5d66880f5f6208b03426e448f32db  cctz-2.3.tar.gz
+sha256  e1a00957d472044808a24a26f1ba020f36dc26949a69c214562d96b74093adb3  cctz-2.4.tar.gz
 sha256  c79a7fea0e3cac04cd43f20e7b648e5a0ff8fa5344e644b0ee09ca1162b62747  LICENSE.txt

package/cctz/cctz.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-CCTZ_VERSION = 2.3
+CCTZ_VERSION = 2.4
 CCTZ_SITE = $(call github,google,cctz,v$(CCTZ_VERSION))
 CCTZ_LICENSE = Apache-2.0
 CCTZ_LICENSE_FILES = LICENSE.txt