problem compiling the ntfs fs in kernel

["Jon L. Miller" <jlmiller@mmtnetworks.com.au>]

While compling kernel version 2.4.9 with the NTFS in the kernel we got the 
following errors, would appreciate some info on what happen.

make[2]: Entering directory `/usr/src/linux-2.4.9/linux/fs/ntfs'
make all_targets
make[3]: Entering directory `/usr/src/linux-2.4.9/linux/fs/ntfs'
gcc -D__KERNEL__ -I/usr/src/linux-2.4.9/linux/include -Wall 
-Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer 
-fno-strict-aliasing -fno-common -pipe -mpreferred-stack-boundary=2 
-march=i686  -DNTFS_VERSION=\"1.1.16\"   -c -o unistr.o unistr.c
unistr.c: In function `ntfs_collate_names':
unistr.c:99: warning: implicit declaration of function `min'
unistr.c:99: parse error before `unsigned'
unistr.c:99: parse error before `)'
unistr.c:97: warning: `c1' might be used uninitialized in this function
unistr.c: At top level:
unistr.c:118: parse error before `if'
unistr.c:123: warning: type defaults to `int' in declaration of `c1'
unistr.c:123: `name1' undeclared here (not in a function)
unistr.c:123: warning: data definition has no type or storage class
unistr.c:124: parse error before `if'
make[3]: *** [unistr.o] Error 1
make[3]: Leaving directory `/usr/src/linux-2.4.9/linux/fs/ntfs'
make[2]: *** [first_rule] Error 2
make[2]: Leaving directory `/usr/src/linux-2.4.9/linux/fs/ntfs'
make[1]: *** [_subdir_ntfs] Error 2
make[1]: Leaving directory `/usr/src/linux-2.4.9/linux/fs'
make: *** [_dir_fs] Error 2