1 (1)renamed
   2    adler32.c -> zadler32.c
   3    zcrc32c -> zcrc32.c
   4 
   5 (2)added _LP64 to make uLong a 32-bit int on 64-bit platform
   6    zconf.h:
   7    uLong -> 32-bit int
   8 
   9 (3)updated crc32.c/crc32()
  10    unsigned long      -> uLong