Trouble building in Win32

[nbwolfpack]

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When i try to build to build the program in Win32, I get this error:

vanitygen.c(66): error C2057: expected constant expression vanitygen.c(66): error c2466: cannot allocate an array of constant size 0 vanitygen.c(66): error c2133: 'ppnt': unknown size

The code is from:

vg_thread_loop(void *arg) { unsigned char hash_buf[128]; unsigned char *eckey_buf; unsigned char hash1[32];

int i, c, len, output_interval;
int hash_len;

const BN_ULONG rekey_max = 10000000;
BN_ULONG npoints, rekey_at, nbatch;

vg_context_t *vcp = (vg_context_t *) arg;
EC_KEY *pkey = NULL;
const EC_GROUP *pgroup;
const EC_POINT *pgen;
const int ptarraysize = 256;
EC_POINT *ppnt[ptarraysize];

How do I fix the errors when I downloaded the file and didn't change anything in the code?