multimedia/qmmp-qt5: update to 1.7.9 release (+)

Changes since 1.7.8:
added IMA ADPCM support;
fixed displaying mpeg plugin build status;
fixed default output under Windows;
fixed IPC messages charset;
fixed issues with "--pl-help" and "--nowplaying-syntax" command-line options;
fixed audio channel map for WMA;
fixed detection of the PCM WAVE files with "JUNK", "bext" and "fact" chunks;
fixed retrieving song lyrics;
fixed sorting by file name and path;
fixed drawing issues in the plugin list;
fixed color scheme change issues;
updated Chinese Simplified translation.