MFH: r527618 r527619

• Update audio/timidity++ to 2.15.0. [1]
• Mark audio/timidity++-tcltk as BROKEN due to build failures.

PR: 244429
Submitted by: pi [1]
Security: CVE-2017-11546
Security: CVE-2017-11547
Security: CVE-2017-11549

Approved by: ports-secteam (joneum)