Scanned for bad naked new; found none; changed comments, used safenew

src/BlockFile.cpp

@@ -679,7 +679,7 @@ void AliasBlockFile::WriteSummary()
    // To build the summary data, call ReadData (implemented by the
    // derived classes) to get the sample data
    // Call this first, so that in case of exceptions from ReadData, there is
-   // no new output file
+   // no NEW output file
    SampleBuffer sampleData(mLen, floatSample);
    this->ReadData(sampleData.ptr(), floatSample, 0, mLen);