MFH: r451073 r451074

multimedia/mpc-qt: update to 17.10

Changes: https://github.com/cmdrkotori/mpc-qt/compare/1f6806d...v17.10
Changes: https://github.com/Argon-/mpv-stats/compare/6a37a6d...f42aa68
Approved by: ports-secteam (zi)