Fix bug #68283: fileinfo: out-of-bounds read in elf note headers

Upstream commit
https://github.com/file/file/commit/39c7ac1106be844a5296d3eb5971946cc09ffda0

CVE -2014-3710

(cherry picked from commit 1803228597e82218a8c105e67975bc50e6f5bf0d)
NEWS
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  NEWS
  Fix bug #68283: fileinfo: out-of-bounds read in elf note headers
NEWS
Merge branch 'PHP-5.6'

* PHP-5.6:
  NEWS
  NEWS
  Fix bug #68283: fileinfo: out-of-bounds read in elf note headers