Clean ytnef.c warnings
Cleans:
• ytnef.c:505:13: warning: format '%i' expects argument of type 'int', but argument 2 has type 'long int'
• ytnef.c:506:13: warning: format '%i' expects argument of type 'int', but argument 2 has type 'long int'
• ytnef.c:511:13: warning: format '%i' expects argument of type 'int', but argument 2 has type 'long int'
• ytnef.c:512:13: warning: format '%i' expects argument of type 'int', but argument 2 has type 'long int'
• ytnef.c:375:9: warning: variable 'offset' set but not used
• ytnef.c:1185:52: warning: variable 'crc32' set but not used
• ytnef.c:1185:27: warning: variable 'uncompressedSize' set but not used
• ytnef.c:1185:11: warning: variable 'compressedSize' set but not used
• ytnef.c:1360:52: warning: variable 'crc32' set but not used