Update php54 to 5.4.28.

01 May 2014, PHP 5.4.28

- Core:
  . Fixed bug #61019 (Out of memory on command stream_get_contents). (Mike)
  . Fixed bug #64330 (stream_socket_server() creates wrong Abstract Namespace
    UNIX sockets). (Mike)
  . Fixed bug #66171 (Symlinks and session handler allow open_basedir bypass).
    (Jann Horn, Stas)
  . Fixed bug #66182 (exit in stream filter produces segfault). (Mike)
  . Fixed bug #66736 (fpassthru broken). (Mike)
  . Fixed bug #67024 (getimagesize should recognize BMP files with negative
    height). (Gabor Buella)

- cURL:
  . Fixed bug #66562 (curl_exec returns differently than curl_multi_getcontent).
    (Freek Lijten)

- Date:
  . Fixed bug #66721 (__wakeup of DateTime segfaults when invalid object data is
    supplied). (Boro Sitnikovski)

- Embed:
  . Fixed bug #65715 (php5embed.lib isn't provided anymore). (Anatol)

- Fileinfo:
  . Fixed bug #66987 (Memory corruption in fileinfo ext / bigendian).
    (Remi)

- FPM:
  . Fixed bug #66482 (unknown entry 'priority' in php-fpm.conf).
  . Fixed bug #67060 (sapi/fpm: possible privilege escalation due to insecure
    default configuration) (CVE-2014-0185). (Stas)

- JSON:
  . Fixed bug #66021 (Blank line inside empty array/object when
    JSON_PRETTY_PRINT is set). (Kevin Israel)

- LDAP:
  . Fixed issue with null bytes in LDAP bindings. (Matthew Daley)

- OpenSSL:
  . Fix bug #66942 (memory leak in openssl_seal()). (Chuan Ma)
  . Fix bug #66952 (memory leak in openssl_open()). (Chuan Ma)

- SimpleXML:
  . Fixed bug #66084 (simplexml_load_string() mangles empty node name)
    (Anatol)

- XSL:
  . Fixed bug #53965 (<xsl:include> cannot find files with relative paths
    when loaded with "file://"). (Anatol)

- Apache2 Handler SAPI:
  . Fixed Apache log issue caused by APR's lack of support for %zu
    (APR issue https://issues.apache.org/bugzilla/show_bug.cgi?id=56120).
    (Jeff Trawick)
Note update of lang/php54 package to 5.4.28.
lang/gcc-aux: Fix build target (affects FreeBSD and future OpenBSD)

GCC never uses "amd64" in the triplet, it always must be x86_64.