void setFlags(long addr, byte flags) {
		try {
			instAdapter.updateFlags(addr, flags);
		}
		catch (IOException e) {
			program.dbError(e);
		}
	}
Callback from ReferenceManager when a new fall-through reference is set.
@param fromAddr fall-through from location
@param newFallThroughRef new fallthrough reference or null if removed
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/code/CodeManager.java