public void programClosed(Program program) {
		functionComparisonPanel.programClosed(program);
		model.removeFunctions(program);
		closeIfEmpty();
	}
Removes any functions being displayed by this provider that are from
the given program. If there are no functions left to display, the
provider is closed.

@param program the program being closed
Ghidra/Features/CodeCompare/src/main/java/ghidra/features/codecompare/plugin/FunctionComparisonProvider.java