php5: update to 5.6.23

This fixes the following CVEs:
 - in GD: CVE-2015-8874, CVE-2016-5766, CVE-2016-5767
 - in mbstring: CVE-2016-5768
 - in mcrypt: CVE-2016-5769
 - in SPL: CVE-2016-5770, CVE-2016-5771
 - in WDDX: CVE-2016-5772
 - in zip: CVE-2016-5773

Signed-off-by: Michael Heimpold <mhei@heimpold.de>

lang/php5/Makefile

@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=php
-PKG_VERSION:=5.6.21
+PKG_VERSION:=5.6.23
 PKG_RELEASE:=1
 
 PKG_MAINTAINER:=W. Michael Petullo <mike@flyn.org>, Michael Heimpold <mhei@heimpold.de>
@@ -18,7 +18,7 @@ PKG_LICENSE_FILES:=LICENSE
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=http://www.php.net/distributions/
-PKG_MD5SUM:=177c69d47024541739c439c9d9eb6ba5
+PKG_MD5SUM:=c2d2155e50bcbaa0ee7a63845862c894
 
 PKG_FIXUP:=libtool autoreconf
 PKG_BUILD_PARALLEL:=1
@@ -266,7 +266,7 @@ else
 endif
 
 ifneq ($(SDK)$(CONFIG_PACKAGE_php5-mod-mcrypt),)
-  CONFIGURE_ARGS+=  --with-mcrypt=shared,"$(STAGING_DIR)/usr"
+  CONFIGURE_ARGS+= --with-mcrypt=shared,"$(STAGING_DIR)/usr"
 else
   CONFIGURE_ARGS+= --without-mcrypt
 endif