void addEntry(int ordinal, VirtualBaseTableEntry entry) {
			entryByOrdinal.put(ordinal, entry);
			maxSeen = Integer.max(maxSeen, ordinal);
		}
Returns the entry from the table for the ordinal
@param ordinal the ordinal into the table for the entry to retrieve
@return the table entry
@throws PdbException upon issue retrieving the entry
Ghidra/Features/PDB/src/main/java/ghidra/app/util/pdb/pdbapplicator/VbtManager.java