lang/php70: update to 7.0.30

26 Apr 2018 PHP 7.0.30

- Exif:
  . Fixed bug #76130 (Heap Buffer Overflow (READ: 1786) in exif_iif_add_value).
  (Stas)

- iconv:
  . Fixed bug #76249 (stream filter convert.iconv leads to infinite loop on
    invalid sequence). (Stas)

- LDAP:
  . Fixed bug #76248 (Malicious LDAP-Server Response causes Crash). (Stas)

- Phar:
  . Fixed bug #76129 (fix for CVE-2018-5712 may not be complete). (Stas)

29 Mar 2018 PHP 7.0.29

- FPM:
  . Fixed bug #75605 (Dumpable FPM child processes allow bypassing opcache
    access controls). (Jakub Zelenka)

(taca)