[SECURITY] Fedora 28 Update: libmad-0.15.1b-26.fc28

MAD is a high-quality MPEG audio decoder. It currently supports MPEG-1 and the MPEG-2 extension to Lower Sampling Frequencies, as well as the so-called MPEG 2.5 format. All three audio layers Layer I, Layer II, and Layer III a.k.a. MP3 are fully implemented...