public void updateDataReferences(Data data) {
		lock.acquire();
		try {
			refManager.removeAllReferencesFrom(data.getMinAddress(), data.getMinAddress());
			addDataReferences(data, new ArrayList<Address>());
		}
		finally {
			lock.release();
		}
	}
Update the data references on this data item. Get rid of any references first, then add in 
any new ones.

@param data the data object to be updated
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/code/CodeManager.java