apache: update to 2.4.47

- fixes security issues
  CVE-2017-7679, CVE-2017-7668, CVE-2017-7659, CVE-2017-3169
  CVE-2017-3167, CVE-2017-9788, CVE-2017-9789

Signed-off-by: Thomas Heil <heil@terminal-consulting.de>

net/apache/Makefile

@@ -8,15 +8,15 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=apache
-PKG_VERSION:=2.4.25
-PKG_RELEASE:=2
+PKG_VERSION:=2.4.27
+PKG_RELEASE:=1
 PKG_SOURCE_NAME:=httpd
 PKG_MAINTAINER:=Thomas Heil <heil@terminal-consulting.de>
 PKG_LICENSE:=Apache License
 
 PKG_SOURCE:=$(PKG_SOURCE_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=@APACHE/httpd/
-PKG_MD5SUM:=2826f49619112ad5813c0be5afcc7ddb
+PKG_MD5SUM:=97b6bbfa83c866dbe20ef317e3afd108
 
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_SOURCE_NAME)-$(PKG_VERSION)