Log Message:
Updated libopenmpt to 0.2.7561.

libopenmpt 0.2-beta20.5 (2017-02-05)

    [Bug] libmodplug: C++ API did not build with MSVC2008 in 0.2-beta20.4.

libopenmpt 0.2-beta20.4 (2017-02-05, not released)

    [Bug] Possible hangs with malformed files containing cyclic plugin routings.
    libmodplug: Added all missing C++ API symbols that are accessable via the \ 
public libmodplug header file.
    Channel frequency could wrap around after some excessive portamento / down \ 
in some formats since libopenmpt 0.2-beta17.
    Playback improvements for S3M files made with Impulse Tracker and Schism Tracker.