libsndfile1: 1.0.25 -> 1.0.26

libsndfile1: 1.0.25 -> 1.0.26

Main points from the release announcement:

  * Fix for CVE-2014-9496, SD2 buffer read overflow.
  * Fix for CVE-2014-9756, file_io.c divide by zero.
  * Fix for CVE-2015-7805, AIFF heap write overflow.
  * Add support for ALAC encoder in a CAF container.
  * Add support for Cart chunks in WAV files.
  * Minor bug fixes and improvements.

All patches we had are included in the new release.

Dropped PR from the recipe.

Signed-off-by: Tanu Kaskinen <tanuk@iki.fi>
Signed-off-by: Ross Burton <ross.burton@intel.com>