multimedia/qmmp-qt5: update to 1.6.6 release (+)

Changes since 1.6.5:

• added TagLib 2.0 support;
• fixed settings form in the simple user interface;
• improved lyrics plugin:
• fixed issue with URL formatting;
• updated lyrics providers;
• using UTF-8 for all lyrics providers;
• updated Spanish translation.

Sponsored by: Serenity Cybersecurity, LLC