fix b1c6nbt model invalid mid_num_channels setting.

[b05902062]

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Issue

When running b1c6nbt with c++ engine, it will trigger this error. terminate called after throwing an instance of 'StringError' what(): Error loading or parsing model file /b1c6nbt-s31704192-d83750556/model.bin.gz: trunk: all numbers of channels must be positive

trunk exported here

def write_trunk(name,model): writeln("trunk") writeln(len(model.blocks)) writeln(model.c_trunk) writeln(model.c_mid) writeln(model.c_mid-model.c_gpool) writeln(model.c_gpool) writeln(model.c_gpool)

Error thrown here

TrunkDesc::TrunkDesc(istream& in, int vrsn, bool binaryFloats) { in >> name; version = vrsn; in >> numBlocks; in >> trunkNumChannels; in >> midNumChannels; in >> regularNumChannels; int dilatedNumChannels; //unused in >> dilatedNumChannels; in >> gpoolNumChannels;

if(in.fail()) throw StringError(name + ": trunk failed to parse num blocks or various channel parameters"); if(numBlocks < 1) throw StringError(name + ": trunk num blocks must be positive"); if( trunkNumChannels <= 0 || midNumChannels <= 0 || regularNumChannels <= 0 || gpoolNumChannels <= 0) throw StringError(name + ": all numbers of channels must be positive");

[b05902062]

Probably a typo. 6 is more consistent with others' config.