apr: security bump to version 1.6.3

Fixes CVE-2017-12613: Out-of-bounds array deref in apr_time_exp*()
functions.

Use upstream provided SHA256 hash.

Add license has.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/apr/apr.hash

@@ -1,2 +1,4 @@
-# From http://archive.apache.org/dist/apr/apr-1.6.2.tar.bz2.sha1
-sha1 01b0d4faa0194825e8e525b9ac7ccfb832471d50  apr-1.6.2.tar.bz2
+# From http://www.apache.org/dist/apr/apr-1.6.3.tar.bz2.sha256
+sha256 131f06d16d7aabd097fa992a33eec2b6af3962f93e6d570a9bd4d85e95993172  apr-1.6.3.tar.bz2
+# Locally calculated
+sha256 f854aeef66ecd55a126226e82b3f26793fc3b1c584647f6a0edc5639974c38ad  LICENSE

package/apr/apr.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-APR_VERSION = 1.6.2
+APR_VERSION = 1.6.3
 APR_SOURCE = apr-$(APR_VERSION).tar.bz2
 APR_SITE = http://archive.apache.org/dist/apr
 APR_LICENSE = Apache-2.0