Most minor code readability cleanup
Most minor code readability cleanup

philipl/libmtp,mmalecki/libmtp,yifanlu/libMTP,jemc/libmtp,jemc/libmtp,reverendhomer/libmtp,vmandela/libmtp,reverendhomer/libmtp,philipl/libmtp,olunx/libmtp,olunx/libmtp,Bluerise/libmtp,mmalecki/libmtp,vmandela/libmtp,yifanlu/libMTP,Bluerise/libmtp,reverendhomer/libmtp,mmalecki/libmtp,libmtp/libmtp,kbhomes/libmtp-zune,jemc/libmtp,philipl/libmtp,olunx/libmtp,libmtp/libmtp,kbhomes/libmtp-zune,jemc/libmtp,libmtp/libmtp,reverendhomer/libmtp,pierrezurek/libmtp,Bluerise/libmtp,pierrezurek/libmtp