Check the return value of getline
Check the return value of getline

Otherwise, `gcc` warns, which causes the build to fail

bigdimboom/wren,Nelarius/wren,foresterre/wren,Rohansi/wren,munificent/wren,Rohansi/wren,foresterre/wren,minirop/wren,foresterre/wren,munificent/wren,munificent/wren,Nave-Neel/wren,minirop/wren,Nelarius/wren,minirop/wren,Nelarius/wren,lluchs/wren,daimajia/wren,bigdimboom/wren,munificent/wren,bigdimboom/wren,Nave-Neel/wren,Rohansi/wren,lluchs/wren,foresterre/wren,munificent/wren,lluchs/wren,foresterre/wren,Rohansi/wren,daimajia/wren,lluchs/wren,Nave-Neel/wren,minirop/wren,minirop/wren,daimajia/wren,munificent/wren,daimajia/wren,Nelarius/wren,bigdimboom/wren,Nave-Neel/wren,Nelarius/wren