php: update to 5.5.6.

srcpkgs/php/template

@@ -1,6 +1,6 @@
 # Template build file for 'php'
 pkgname=php
-version=5.5.4
+version=5.5.6
 revision=1
 short_desc="An HTML-embedded scripting language"
 license="PHP"
@@ -14,7 +14,7 @@ makedepends="postgresql-libs-devel libldap-devel libvpx-devel sqlite-devel
  gmp-devel gdbm-devel freetype-devel systemd-devel apache-devel
  readline-devel libmysqlclient-devel"
 distfiles="http://www.php.net/distributions/php-${version}.tar.bz2"
-checksum=49f87e8cf0bbec53a6e7f1c8ab132fcec37bb09990404c7c959f81dfb1637439
+checksum=a9b7d291199d7e6b90ef1d78eb791d738944d66856e76bde9463ce2645b0e4a4
 
 do_build() {
 	local _phpconfig="--srcdir=.. \