fix debug printing
fix debug printing

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