package/apache: security bump version to 2.4.25

Changelog:
http://www.apache.org/dist/httpd/CHANGES_2.4.25

Fixes CVE-2016-8740, CVE-2016-5387, CVE-2016-2161, CVE-2016-0736,
CVE-2016-8743.

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/apache/apache.hash

@@ -1,2 +1,2 @@
 # From http://www.apache.org/dist/httpd/httpd-2.4.23.tar.bz2.sha1
-sha1	5101be34ac4a509b245adb70a56690a84fcc4e7f	httpd-2.4.23.tar.bz2
+sha1 bd6d138c31c109297da2346c6e7b93b9283993d2  httpd-2.4.25.tar.bz2

package/apache/apache.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-APACHE_VERSION = 2.4.23
+APACHE_VERSION = 2.4.25
 APACHE_SOURCE = httpd-$(APACHE_VERSION).tar.bz2
 APACHE_SITE = http://archive.apache.org/dist/httpd
 APACHE_LICENSE = Apache-2.0