int badFileCount() {
		return badFileCount;
	}
Returns number of files which failed to parse properly.
This only reflects minimal parsing of old language files
which will prevent them from being added to old language map.
This is intended to be used by a unit test.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/util/LanguageTranslatorFactory.java