@Override
		public int compareTo(ChildSymbol o) {
			return name.compareTo(o.name);
		}
We want a FunctionRecord to be unique up to
  1) The full hash and specific hash of the function
  2) The symbol name
  3) The full hash of any children of the function (or the symbol name if hash not available)
Produce a 64-bit hash incorporating this information
@return the hash
Ghidra/Features/FunctionID/src/main/java/ghidra/feature/fid/service/FidServiceLibraryIngest.java