[Mod] SymMOD: Ignore unknown hunks, as that's what Symphonie does as …

…well. Fixes reading of Natsh1.SymMOD, which has garbage at the end of the file.

git-svn-id: https://source.openmpt.org/svn/openmpt/trunk/OpenMPT@21825 56274372-70c3-4bfc-bfc3-4c3a0b034d27

soundlib/Load_symmod.cpp

@@ -1044,6 +1044,7 @@ bool CSoundFile::ReadSymMOD(FileReader &file, ModLoadingFlags loadFlags)
  uint16 sampleBoost = 2500;
  bool isSymphoniePro = false;
  bool externalSamples = false;
+ bool unknownHunks = false;
  std::vector<SymPosition> positions;
  std::vector<SymSequence> sequences;
  std::vector<SymEvent> patternData;
@@ -1197,16 +1198,19 @@ bool CSoundFile::ReadSymMOD(FileReader &file, ModLoadingFlags loadFlags)
  file.Skip(file.ReadUint32BE());
  break;
 
- // Unrecognized chunk/value type
+ // Unrecognized chunk/value type (e.g. garbage at the end of Natsh1.SymMOD)
  default:
- return false;
+ unknownHunks = true;
+ break;
  }
  }
 
  if(!trackLen || instruments.empty())
  return false;
  if((loadFlags & loadPatternData) && (positions.empty() || patternData.empty() || sequences.empty()))
  return false;
+ if(unknownHunks)
+ AddToLog(LogWarning, U_("Unknown hunks were found and ignored."));
 
  // Let's hope noone is going to use the 256th instrument ;)
  if(instruments.size() >= MAX_INSTRUMENTS)