public int getNumSegments() {
		return cSeg;
	}
Returns the number of segments.  This also is the number of start/end records.  This is
a high-level list whereas there is a per-file list later.  Not sure if this current list
is an encompassing list or something else
@return the number of segments
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/C11Lines.java