@Override
	public void close() throws IOException {
		if (msf != null) {
			msf.close();
		}
	}
Closes the {@link AbstractPdb} and resources that it uses
@throws IOException for file I/O reasons
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/AbstractPdb.java