Fixed a good FindBugs warning on FieldsAndGetters.dumpIf() which claims `obj` is nullable, though it's actually not.  Refactored the null-safe getClass into its own method.
Fixed a good FindBugs warning on FieldsAndGetters.dumpIf() which claims `obj` is nullable, though it's actually not.  Refactored the null-safe getClass into its own method.
diffplug/durian-debug,diffplug/durian-debug