Merged revision(s) 22280 from trunk/OpenMPT:

[Fix] MED: Do not allow sample swapping with portamento, and don't resume playing a stopped note with portamento. Fixes Homeward_Trek.med by Soundburst (https://www.un4seen.com/forum/?topic=15448.msg144148#msg144148).
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git-svn-id: https://source.openmpt.org/svn/openmpt/branches/OpenMPT-1.30@22287 56274372-70c3-4bfc-bfc3-4c3a0b034d27

soundlib/Load_med.cpp

@@ -1193,6 +1193,8 @@ bool CSoundFile::ReadMED(FileReader &file, ModLoadingFlags loadFlags)
 
 		// For MED, this affects both volume and pitch slides
 		m_SongFlags.set(SONG_FASTVOLSLIDES, !(songHeader.flags & MMDSong::FLAG_STSLIDE));
+		m_playBehaviour.set(kST3PortaSampleChange);
+		m_playBehaviour.set(kFT2PortaNoNote);
 
 		if(expData.songNameOffset && file.Seek(expData.songNameOffset))
 		{